21207804950

素因数分解:

$2^1\times 5^2\times {\mathrm{1913}}^1\times {\mathrm{221723}}^1$

素因数の和:223648

約数の個数: 24

約数和(自身を含む): 39467315448

約数和(自身を除く): 18259510498

約数列:

[1, 2, 5, 10, 25, 50, 1913, 3826, 9565, 19130, 47825, 95650, 221723, 443446, 1108615, 2217230, 5543075, 11086150, 424156099, 848312198, 2120780495, 4241560990, 10603902475, 21207804950]

約数ペア:

[(1, 21207804950), (2, 10603902475), (5, 4241560990), (10, 2120780495), (25, 848312198), (50, 424156099), (1913, 11086150), (3826, 5543075), (9565, 2217230), (19130, 1108615), (47825, 443446), (95650, 221723)]