21962480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{14449}}^1$

素因数の和:14481

約数の個数: 40

約数和(自身を含む): 53754000

約数和(自身を除く): 31791520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 14449, 28898, 57796, 72245, 115592, 144490, 231184, 274531, 288980, 549062, 577960, 1098124, 1155920, 1372655, 2196248, 2745310, 4392496, 5490620, 10981240, 21962480]

約数ペア:

[(1, 21962480), (2, 10981240), (4, 5490620), (5, 4392496), (8, 2745310), (10, 2196248), (16, 1372655), (19, 1155920), (20, 1098124), (38, 577960), (40, 549062), (76, 288980), (80, 274531), (95, 231184), (152, 144490), (190, 115592), (304, 72245), (380, 57796), (760, 28898), (1520, 14449)]