21295722

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1871}}^1$

素因数の和:2154

約数の個数: 32

約数和(自身を含む): 48881664

約数和(自身を除く): 27585942

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 271, 542, 813, 1626, 1871, 1897, 3742, 3794, 5613, 5691, 11226, 11382, 13097, 26194, 39291, 78582, 507041, 1014082, 1521123, 3042246, 3549287, 7098574, 10647861, 21295722]

約数ペア:

[(1, 21295722), (2, 10647861), (3, 7098574), (6, 3549287), (7, 3042246), (14, 1521123), (21, 1014082), (42, 507041), (271, 78582), (542, 39291), (813, 26194), (1626, 13097), (1871, 11382), (1897, 11226), (3742, 5691), (3794, 5613)]