21105214

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1217}}^1$

素因数の和:1284

約数の個数: 32

約数和(自身を含む): 36832320

約数和(自身を除く): 15727106

約数列:

[1, 2, 13, 23, 26, 29, 46, 58, 299, 377, 598, 667, 754, 1217, 1334, 2434, 8671, 15821, 17342, 27991, 31642, 35293, 55982, 70586, 363883, 458809, 727766, 811739, 917618, 1623478, 10552607, 21105214]

約数ペア:

[(1, 21105214), (2, 10552607), (13, 1623478), (23, 917618), (26, 811739), (29, 727766), (46, 458809), (58, 363883), (299, 70586), (377, 55982), (598, 35293), (667, 31642), (754, 27991), (1217, 17342), (1334, 15821), (2434, 8671)]