21713600

素因数分解:

$2^6\times 5^2\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:394

約数の個数: 84

約数和(自身を含む): 54897528

約数和(自身を除く): 33183928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 160, 164, 200, 205, 320, 328, 331, 400, 410, 656, 662, 800, 820, 1025, 1312, 1324, 1600, 1640, 1655, 2050, 2624, 2648, 3280, 3310, 4100, 5296, 6560, 6620, 8200, 8275, 10592, 13120, 13240, 13571, 16400, 16550, 21184, 26480, 27142, 32800, 33100, 52960, 54284, 65600, 66200, 67855, 105920, 108568, 132400, 135710, 217136, 264800, 271420, 339275, 434272, 529600, 542840, 678550, 868544, 1085680, 1357100, 2171360, 2714200, 4342720, 5428400, 10856800, 21713600]

約数ペア:

[(1, 21713600), (2, 10856800), (4, 5428400), (5, 4342720), (8, 2714200), (10, 2171360), (16, 1357100), (20, 1085680), (25, 868544), (32, 678550), (40, 542840), (41, 529600), (50, 434272), (64, 339275), (80, 271420), (82, 264800), (100, 217136), (160, 135710), (164, 132400), (200, 108568), (205, 105920), (320, 67855), (328, 66200), (331, 65600), (400, 54284), (410, 52960), (656, 33100), (662, 32800), (800, 27142), (820, 26480), (1025, 21184), (1312, 16550), (1324, 16400), (1600, 13571), (1640, 13240), (1655, 13120), (2050, 10592), (2624, 8275), (2648, 8200), (3280, 6620), (3310, 6560), (4100, 5296)]