21129212520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{13397}}^1$

素因数の和:13764

約数の個数: 192

約数和(自身を含む): 74177223120

約数和(自身を除く): 53048010600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 337, 360, 390, 468, 520, 585, 674, 780, 936, 1011, 1170, 1348, 1560, 1685, 2022, 2340, 2696, 3033, 3370, 4044, 4381, 4680, 5055, 6066, 6740, 8088, 8762, 10110, 12132, 13143, 13397, 13480, 15165, 17524, 20220, 21905, 24264, 26286, 26794, 30330, 35048, 39429, 40191, 40440, 43810, 52572, 53588, 60660, 65715, 66985, 78858, 80382, 87620, 105144, 107176, 120573, 121320, 131430, 133970, 157716, 160764, 174161, 175240, 197145, 200955, 241146, 262860, 267940, 315432, 321528, 348322, 394290, 401910, 482292, 522483, 525720, 535880, 602865, 696644, 788580, 803820, 870805, 964584, 1044966, 1205730, 1393288, 1567449, 1577160, 1607640, 1741610, 2089932, 2411460, 2612415, 3134898, 3483220, 4179864, 4514789, 4822920, 5224830, 6269796, 6966440, 7837245, 9029578, 10449660, 12539592, 13544367, 15674490, 18059156, 20899320, 22573945, 27088734, 31348980, 36118312, 40633101, 45147890, 54177468, 58692257, 62697960, 67721835, 81266202, 90295780, 108354936, 117384514, 135443670, 162532404, 176076771, 180591560, 203165505, 234769028, 270887340, 293461285, 325064808, 352153542, 406331010, 469538056, 528230313, 541774680, 586922570, 704307084, 812662020, 880383855, 1056460626, 1173845140, 1408614168, 1625324040, 1760767710, 2112921252, 2347690280, 2641151565, 3521535420, 4225842504, 5282303130, 7043070840, 10564606260, 21129212520]

約数ペア:

[(1, 21129212520), (2, 10564606260), (3, 7043070840), (4, 5282303130), (5, 4225842504), (6, 3521535420), (8, 2641151565), (9, 2347690280), (10, 2112921252), (12, 1760767710), (13, 1625324040), (15, 1408614168), (18, 1173845140), (20, 1056460626), (24, 880383855), (26, 812662020), (30, 704307084), (36, 586922570), (39, 541774680), (40, 528230313), (45, 469538056), (52, 406331010), (60, 352153542), (65, 325064808), (72, 293461285), (78, 270887340), (90, 234769028), (104, 203165505), (117, 180591560), (120, 176076771), (130, 162532404), (156, 135443670), (180, 117384514), (195, 108354936), (234, 90295780), (260, 81266202), (312, 67721835), (337, 62697960), (360, 58692257), (390, 54177468), (468, 45147890), (520, 40633101), (585, 36118312), (674, 31348980), (780, 27088734), (936, 22573945), (1011, 20899320), (1170, 18059156), (1348, 15674490), (1560, 13544367), (1685, 12539592), (2022, 10449660), (2340, 9029578), (2696, 7837245), (3033, 6966440), (3370, 6269796), (4044, 5224830), (4381, 4822920), (4680, 4514789), (5055, 4179864), (6066, 3483220), (6740, 3134898), (8088, 2612415), (8762, 2411460), (10110, 2089932), (12132, 1741610), (13143, 1607640), (13397, 1577160), (13480, 1567449), (15165, 1393288), (17524, 1205730), (20220, 1044966), (21905, 964584), (24264, 870805), (26286, 803820), (26794, 788580), (30330, 696644), (35048, 602865), (39429, 535880), (40191, 525720), (40440, 522483), (43810, 482292), (52572, 401910), (53588, 394290), (60660, 348322), (65715, 321528), (66985, 315432), (78858, 267940), (80382, 262860), (87620, 241146), (105144, 200955), (107176, 197145), (120573, 175240), (121320, 174161), (131430, 160764), (133970, 157716)]