21447296

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12889}}^1$

素因数の和:12916

約数の個数: 32

約数和(自身を含む): 46017300

約数和(自身を除く): 24570004

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12889, 25778, 51556, 103112, 167557, 206224, 335114, 412448, 670228, 824896, 1340456, 1649792, 2680912, 5361824, 10723648, 21447296]

約数ペア:

[(1, 21447296), (2, 10723648), (4, 5361824), (8, 2680912), (13, 1649792), (16, 1340456), (26, 824896), (32, 670228), (52, 412448), (64, 335114), (104, 206224), (128, 167557), (208, 103112), (416, 51556), (832, 25778), (1664, 12889)]