21030226

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{457}}^1$

素因数の和:658

約数の個数: 32

約数和(自身を含む): 38252160

約数和(自身を除く): 17221934

約数列:

[1, 2, 7, 14, 19, 38, 133, 173, 266, 346, 457, 914, 1211, 2422, 3199, 3287, 6398, 6574, 8683, 17366, 23009, 46018, 60781, 79061, 121562, 158122, 553427, 1106854, 1502159, 3004318, 10515113, 21030226]

約数ペア:

[(1, 21030226), (2, 10515113), (7, 3004318), (14, 1502159), (19, 1106854), (38, 553427), (133, 158122), (173, 121562), (266, 79061), (346, 60781), (457, 46018), (914, 23009), (1211, 17366), (2422, 8683), (3199, 6574), (3287, 6398)]