21777550

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:717

約数の個数: 48

約数和(自身を含む): 43791840

約数和(自身を除く): 22014290

約数列:

[1, 2, 5, 10, 23, 25, 29, 46, 50, 58, 115, 145, 230, 290, 575, 653, 667, 725, 1150, 1306, 1334, 1450, 3265, 3335, 6530, 6670, 15019, 16325, 16675, 18937, 30038, 32650, 33350, 37874, 75095, 94685, 150190, 189370, 375475, 435551, 473425, 750950, 871102, 946850, 2177755, 4355510, 10888775, 21777550]

約数ペア:

[(1, 21777550), (2, 10888775), (5, 4355510), (10, 2177755), (23, 946850), (25, 871102), (29, 750950), (46, 473425), (50, 435551), (58, 375475), (115, 189370), (145, 150190), (230, 94685), (290, 75095), (575, 37874), (653, 33350), (667, 32650), (725, 30038), (1150, 18937), (1306, 16675), (1334, 16325), (1450, 15019), (3265, 6670), (3335, 6530)]