21454968

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^2\times {\mathrm{653}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 55210680

約数和(自身を除く): 33755712

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 653, 888, 1306, 1369, 1959, 2612, 2738, 3918, 4107, 5224, 5476, 7836, 8214, 10952, 15672, 16428, 24161, 32856, 48322, 72483, 96644, 144966, 193288, 289932, 579864, 893957, 1787914, 2681871, 3575828, 5363742, 7151656, 10727484, 21454968]

約数ペア:

[(1, 21454968), (2, 10727484), (3, 7151656), (4, 5363742), (6, 3575828), (8, 2681871), (12, 1787914), (24, 893957), (37, 579864), (74, 289932), (111, 193288), (148, 144966), (222, 96644), (296, 72483), (444, 48322), (653, 32856), (888, 24161), (1306, 16428), (1369, 15672), (1959, 10952), (2612, 8214), (2738, 7836), (3918, 5476), (4107, 5224)]