21635536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:164

約数の個数: 80

約数和(自身を含む): 48121920

約数和(自身を除く): 26486384

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 43, 52, 59, 82, 86, 104, 118, 164, 172, 208, 236, 328, 344, 472, 533, 559, 656, 688, 767, 944, 1066, 1118, 1534, 1763, 2132, 2236, 2419, 2537, 3068, 3526, 4264, 4472, 4838, 5074, 6136, 7052, 8528, 8944, 9676, 10148, 12272, 14104, 19352, 20296, 22919, 28208, 31447, 32981, 38704, 40592, 45838, 62894, 65962, 91676, 104017, 125788, 131924, 183352, 208034, 251576, 263848, 366704, 416068, 503152, 527696, 832136, 1352221, 1664272, 2704442, 5408884, 10817768, 21635536]

約数ペア:

[(1, 21635536), (2, 10817768), (4, 5408884), (8, 2704442), (13, 1664272), (16, 1352221), (26, 832136), (41, 527696), (43, 503152), (52, 416068), (59, 366704), (82, 263848), (86, 251576), (104, 208034), (118, 183352), (164, 131924), (172, 125788), (208, 104017), (236, 91676), (328, 65962), (344, 62894), (472, 45838), (533, 40592), (559, 38704), (656, 32981), (688, 31447), (767, 28208), (944, 22919), (1066, 20296), (1118, 19352), (1534, 14104), (1763, 12272), (2132, 10148), (2236, 9676), (2419, 8944), (2537, 8528), (3068, 7052), (3526, 6136), (4264, 5074), (4472, 4838)]