21437430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:174

約数の個数: 128

約数和(自身を含む): 63037440

約数和(自身を除く): 41600010

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 37, 42, 62, 70, 74, 89, 93, 105, 111, 155, 178, 185, 186, 210, 217, 222, 259, 267, 310, 370, 434, 445, 465, 518, 534, 555, 623, 651, 777, 890, 930, 1085, 1110, 1147, 1246, 1295, 1302, 1335, 1554, 1869, 2170, 2294, 2590, 2670, 2759, 3115, 3255, 3293, 3441, 3738, 3885, 5518, 5735, 6230, 6510, 6586, 6882, 7770, 8029, 8277, 9345, 9879, 11470, 13795, 16058, 16465, 16554, 17205, 18690, 19313, 19758, 23051, 24087, 27590, 32930, 34410, 38626, 40145, 41385, 46102, 48174, 49395, 57939, 69153, 80290, 82770, 96565, 98790, 102083, 115255, 115878, 120435, 138306, 193130, 204166, 230510, 240870, 289695, 306249, 345765, 510415, 579390, 612498, 691530, 714581, 1020830, 1429162, 1531245, 2143743, 3062490, 3572905, 4287486, 7145810, 10718715, 21437430]

約数ペア:

[(1, 21437430), (2, 10718715), (3, 7145810), (5, 4287486), (6, 3572905), (7, 3062490), (10, 2143743), (14, 1531245), (15, 1429162), (21, 1020830), (30, 714581), (31, 691530), (35, 612498), (37, 579390), (42, 510415), (62, 345765), (70, 306249), (74, 289695), (89, 240870), (93, 230510), (105, 204166), (111, 193130), (155, 138306), (178, 120435), (185, 115878), (186, 115255), (210, 102083), (217, 98790), (222, 96565), (259, 82770), (267, 80290), (310, 69153), (370, 57939), (434, 49395), (445, 48174), (465, 46102), (518, 41385), (534, 40145), (555, 38626), (623, 34410), (651, 32930), (777, 27590), (890, 24087), (930, 23051), (1085, 19758), (1110, 19313), (1147, 18690), (1246, 17205), (1295, 16554), (1302, 16465), (1335, 16058), (1554, 13795), (1869, 11470), (2170, 9879), (2294, 9345), (2590, 8277), (2670, 8029), (2759, 7770), (3115, 6882), (3255, 6586), (3293, 6510), (3441, 6230), (3738, 5735), (3885, 5518)]