21467936

素因数分解:

$2^5\times 7^1\times {\mathrm{239}}^1\times {\mathrm{401}}^1$

素因数の和:657

約数の個数: 48

約数和(自身を含む): 48625920

約数和(自身を除く): 27157984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 239, 401, 478, 802, 956, 1604, 1673, 1912, 2807, 3208, 3346, 3824, 5614, 6416, 6692, 7648, 11228, 12832, 13384, 22456, 26768, 44912, 53536, 89824, 95839, 191678, 383356, 670873, 766712, 1341746, 1533424, 2683492, 3066848, 5366984, 10733968, 21467936]

約数ペア:

[(1, 21467936), (2, 10733968), (4, 5366984), (7, 3066848), (8, 2683492), (14, 1533424), (16, 1341746), (28, 766712), (32, 670873), (56, 383356), (112, 191678), (224, 95839), (239, 89824), (401, 53536), (478, 44912), (802, 26768), (956, 22456), (1604, 13384), (1673, 12832), (1912, 11228), (2807, 7648), (3208, 6692), (3346, 6416), (3824, 5614)]