21867518

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 36042240

約数和(自身を除く): 14174722

約数列:

[1, 2, 19, 37, 38, 74, 103, 151, 206, 302, 703, 1406, 1957, 2869, 3811, 3914, 5587, 5738, 7622, 11174, 15553, 31106, 72409, 106153, 144818, 212306, 295507, 575461, 591014, 1150922, 10933759, 21867518]

約数ペア:

[(1, 21867518), (2, 10933759), (19, 1150922), (37, 591014), (38, 575461), (74, 295507), (103, 212306), (151, 144818), (206, 106153), (302, 72409), (703, 31106), (1406, 15553), (1957, 11174), (2869, 7622), (3811, 5738), (3914, 5587)]