21234512

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7853}}^1$

素因数の和:7887

約数の個数: 30

約数和(自身を含む): 44555742

約数和(自身を除く): 23321230

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7853, 15706, 31412, 62824, 102089, 125648, 204178, 408356, 816712, 1327157, 1633424, 2654314, 5308628, 10617256, 21234512]

約数ペア:

[(1, 21234512), (2, 10617256), (4, 5308628), (8, 2654314), (13, 1633424), (16, 1327157), (26, 816712), (52, 408356), (104, 204178), (169, 125648), (208, 102089), (338, 62824), (676, 31412), (1352, 15706), (2704, 7853)]