21116886

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{12263}}^1$

素因数の和:12316

約数の個数: 32

約数和(自身を含む): 49448448

約数和(自身を除く): 28331562

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 12263, 24526, 36789, 73578, 85841, 171682, 257523, 502783, 515046, 1005566, 1508349, 3016698, 3519481, 7038962, 10558443, 21116886]

約数ペア:

[(1, 21116886), (2, 10558443), (3, 7038962), (6, 3519481), (7, 3016698), (14, 1508349), (21, 1005566), (41, 515046), (42, 502783), (82, 257523), (123, 171682), (246, 85841), (287, 73578), (574, 36789), (861, 24526), (1722, 12263)]