21965738800

素因数分解:

$2^4\times 5^2\times {\mathrm{103}}^1\times {\mathrm{533149}}^1$

素因数の和:533270

約数の個数: 60

約数和(自身を含む): 53285143600

約数和(自身を除く): 31319404800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 103, 200, 206, 400, 412, 515, 824, 1030, 1648, 2060, 2575, 4120, 5150, 8240, 10300, 20600, 41200, 533149, 1066298, 2132596, 2665745, 4265192, 5331490, 8530384, 10662980, 13328725, 21325960, 26657450, 42651920, 53314900, 54914347, 106629800, 109828694, 213259600, 219657388, 274571735, 439314776, 549143470, 878629552, 1098286940, 1372858675, 2196573880, 2745717350, 4393147760, 5491434700, 10982869400, 21965738800]

約数ペア:

[(1, 21965738800), (2, 10982869400), (4, 5491434700), (5, 4393147760), (8, 2745717350), (10, 2196573880), (16, 1372858675), (20, 1098286940), (25, 878629552), (40, 549143470), (50, 439314776), (80, 274571735), (100, 219657388), (103, 213259600), (200, 109828694), (206, 106629800), (400, 54914347), (412, 53314900), (515, 42651920), (824, 26657450), (1030, 21325960), (1648, 13328725), (2060, 10662980), (2575, 8530384), (4120, 5331490), (5150, 4265192), (8240, 2665745), (10300, 2132596), (20600, 1066298), (41200, 533149)]