21760550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{787}}^1$

素因数の和:885

約数の個数: 48

約数和(自身を含む): 46901760

約数和(自身を除く): 25141210

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 79, 158, 175, 350, 395, 553, 787, 790, 1106, 1574, 1975, 2765, 3935, 3950, 5509, 5530, 7870, 11018, 13825, 19675, 27545, 27650, 39350, 55090, 62173, 124346, 137725, 275450, 310865, 435211, 621730, 870422, 1554325, 2176055, 3108650, 4352110, 10880275, 21760550]

約数ペア:

[(1, 21760550), (2, 10880275), (5, 4352110), (7, 3108650), (10, 2176055), (14, 1554325), (25, 870422), (35, 621730), (50, 435211), (70, 310865), (79, 275450), (158, 137725), (175, 124346), (350, 62173), (395, 55090), (553, 39350), (787, 27650), (790, 27545), (1106, 19675), (1574, 13825), (1975, 11018), (2765, 7870), (3935, 5530), (3950, 5509)]