21525100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{11329}}^1$

素因数の和:11362

約数の個数: 36

約数和(自身を含む): 49172200

約数和(自身を除く): 27647100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 11329, 22658, 45316, 56645, 113290, 215251, 226580, 283225, 430502, 566450, 861004, 1076255, 1132900, 2152510, 4305020, 5381275, 10762550, 21525100]

約数ペア:

[(1, 21525100), (2, 10762550), (4, 5381275), (5, 4305020), (10, 2152510), (19, 1132900), (20, 1076255), (25, 861004), (38, 566450), (50, 430502), (76, 283225), (95, 226580), (100, 215251), (190, 113290), (380, 56645), (475, 45316), (950, 22658), (1900, 11329)]