21804230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{467}}^1$

素因数の和:533

約数の個数: 64

約数和(自身を含む): 48522240

約数和(自身を除く): 26718010

約数列:

[1, 2, 5, 7, 10, 14, 23, 29, 35, 46, 58, 70, 115, 145, 161, 203, 230, 290, 322, 406, 467, 667, 805, 934, 1015, 1334, 1610, 2030, 2335, 3269, 3335, 4669, 4670, 6538, 6670, 9338, 10741, 13543, 16345, 21482, 23345, 27086, 32690, 46690, 53705, 67715, 75187, 94801, 107410, 135430, 150374, 189602, 311489, 375935, 474005, 622978, 751870, 948010, 1557445, 2180423, 3114890, 4360846, 10902115, 21804230]

約数ペア:

[(1, 21804230), (2, 10902115), (5, 4360846), (7, 3114890), (10, 2180423), (14, 1557445), (23, 948010), (29, 751870), (35, 622978), (46, 474005), (58, 375935), (70, 311489), (115, 189602), (145, 150374), (161, 135430), (203, 107410), (230, 94801), (290, 75187), (322, 67715), (406, 53705), (467, 46690), (667, 32690), (805, 27086), (934, 23345), (1015, 21482), (1334, 16345), (1610, 13543), (2030, 10741), (2335, 9338), (3269, 6670), (3335, 6538), (4669, 4670)]