21374160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:165

約数の個数: 160

約数和(自身を含む): 71245440

約数和(自身を除く): 49871280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 37, 40, 48, 58, 60, 74, 80, 83, 87, 111, 116, 120, 145, 148, 166, 174, 185, 222, 232, 240, 249, 290, 296, 332, 348, 370, 415, 435, 444, 464, 498, 555, 580, 592, 664, 696, 740, 830, 870, 888, 996, 1073, 1110, 1160, 1245, 1328, 1392, 1480, 1660, 1740, 1776, 1992, 2146, 2220, 2320, 2407, 2490, 2960, 3071, 3219, 3320, 3480, 3984, 4292, 4440, 4814, 4980, 5365, 6142, 6438, 6640, 6960, 7221, 8584, 8880, 9213, 9628, 9960, 10730, 12035, 12284, 12876, 14442, 15355, 16095, 17168, 18426, 19256, 19920, 21460, 24070, 24568, 25752, 28884, 30710, 32190, 36105, 36852, 38512, 42920, 46065, 48140, 49136, 51504, 57768, 61420, 64380, 72210, 73704, 85840, 89059, 92130, 96280, 115536, 122840, 128760, 144420, 147408, 178118, 184260, 192560, 245680, 257520, 267177, 288840, 356236, 368520, 445295, 534354, 577680, 712472, 737040, 890590, 1068708, 1335885, 1424944, 1781180, 2137416, 2671770, 3562360, 4274832, 5343540, 7124720, 10687080, 21374160]

約数ペア:

[(1, 21374160), (2, 10687080), (3, 7124720), (4, 5343540), (5, 4274832), (6, 3562360), (8, 2671770), (10, 2137416), (12, 1781180), (15, 1424944), (16, 1335885), (20, 1068708), (24, 890590), (29, 737040), (30, 712472), (37, 577680), (40, 534354), (48, 445295), (58, 368520), (60, 356236), (74, 288840), (80, 267177), (83, 257520), (87, 245680), (111, 192560), (116, 184260), (120, 178118), (145, 147408), (148, 144420), (166, 128760), (174, 122840), (185, 115536), (222, 96280), (232, 92130), (240, 89059), (249, 85840), (290, 73704), (296, 72210), (332, 64380), (348, 61420), (370, 57768), (415, 51504), (435, 49136), (444, 48140), (464, 46065), (498, 42920), (555, 38512), (580, 36852), (592, 36105), (664, 32190), (696, 30710), (740, 28884), (830, 25752), (870, 24568), (888, 24070), (996, 21460), (1073, 19920), (1110, 19256), (1160, 18426), (1245, 17168), (1328, 16095), (1392, 15355), (1480, 14442), (1660, 12876), (1740, 12284), (1776, 12035), (1992, 10730), (2146, 9960), (2220, 9628), (2320, 9213), (2407, 8880), (2490, 8584), (2960, 7221), (3071, 6960), (3219, 6640), (3320, 6438), (3480, 6142), (3984, 5365), (4292, 4980), (4440, 4814)]