21321120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1033}}^1$

素因数の和:1094

約数の個数: 96

約数和(自身を含む): 68789952

約数和(自身を除く): 47468832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 80, 86, 96, 120, 129, 160, 172, 215, 240, 258, 344, 430, 480, 516, 645, 688, 860, 1032, 1033, 1290, 1376, 1720, 2064, 2066, 2580, 3099, 3440, 4128, 4132, 5160, 5165, 6198, 6880, 8264, 10320, 10330, 12396, 15495, 16528, 20640, 20660, 24792, 30990, 33056, 41320, 44419, 49584, 61980, 82640, 88838, 99168, 123960, 133257, 165280, 177676, 222095, 247920, 266514, 355352, 444190, 495840, 533028, 666285, 710704, 888380, 1066056, 1332570, 1421408, 1776760, 2132112, 2665140, 3553520, 4264224, 5330280, 7107040, 10660560, 21321120]

約数ペア:

[(1, 21321120), (2, 10660560), (3, 7107040), (4, 5330280), (5, 4264224), (6, 3553520), (8, 2665140), (10, 2132112), (12, 1776760), (15, 1421408), (16, 1332570), (20, 1066056), (24, 888380), (30, 710704), (32, 666285), (40, 533028), (43, 495840), (48, 444190), (60, 355352), (80, 266514), (86, 247920), (96, 222095), (120, 177676), (129, 165280), (160, 133257), (172, 123960), (215, 99168), (240, 88838), (258, 82640), (344, 61980), (430, 49584), (480, 44419), (516, 41320), (645, 33056), (688, 30990), (860, 24792), (1032, 20660), (1033, 20640), (1290, 16528), (1376, 15495), (1720, 12396), (2064, 10330), (2066, 10320), (2580, 8264), (3099, 6880), (3440, 6198), (4128, 5165), (4132, 5160)]