21588400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1741}}^1$

素因数の和:1790

約数の個数: 60

約数和(自身を含む): 53569984

約数和(自身を除く): 31981584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 1741, 2480, 3100, 3482, 6200, 6964, 8705, 12400, 13928, 17410, 27856, 34820, 43525, 53971, 69640, 87050, 107942, 139280, 174100, 215884, 269855, 348200, 431768, 539710, 696400, 863536, 1079420, 1349275, 2158840, 2698550, 4317680, 5397100, 10794200, 21588400]

約数ペア:

[(1, 21588400), (2, 10794200), (4, 5397100), (5, 4317680), (8, 2698550), (10, 2158840), (16, 1349275), (20, 1079420), (25, 863536), (31, 696400), (40, 539710), (50, 431768), (62, 348200), (80, 269855), (100, 215884), (124, 174100), (155, 139280), (200, 107942), (248, 87050), (310, 69640), (400, 53971), (496, 43525), (620, 34820), (775, 27856), (1240, 17410), (1550, 13928), (1741, 12400), (2480, 8705), (3100, 6964), (3482, 6200)]