21666590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3229}}^1$

素因数の和:3308

約数の個数: 32

約数和(自身を含む): 43256160

約数和(自身を除く): 21589570

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 3229, 3355, 6458, 6710, 16145, 32290, 35519, 71038, 177595, 196969, 355190, 393938, 984845, 1969690, 2166659, 4333318, 10833295, 21666590]

約数ペア:

[(1, 21666590), (2, 10833295), (5, 4333318), (10, 2166659), (11, 1969690), (22, 984845), (55, 393938), (61, 355190), (110, 196969), (122, 177595), (305, 71038), (610, 35519), (671, 32290), (1342, 16145), (3229, 6710), (3355, 6458)]