21415872

素因数分解:

$2^6\times 3^1\times {\mathrm{71}}^1\times {\mathrm{1571}}^1$

素因数の和:1657

約数の個数: 56

約数和(自身を含む): 57497472

約数和(自身を除く): 36081600

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 71, 96, 142, 192, 213, 284, 426, 568, 852, 1136, 1571, 1704, 2272, 3142, 3408, 4544, 4713, 6284, 6816, 9426, 12568, 13632, 18852, 25136, 37704, 50272, 75408, 100544, 111541, 150816, 223082, 301632, 334623, 446164, 669246, 892328, 1338492, 1784656, 2676984, 3569312, 5353968, 7138624, 10707936, 21415872]

約数ペア:

[(1, 21415872), (2, 10707936), (3, 7138624), (4, 5353968), (6, 3569312), (8, 2676984), (12, 1784656), (16, 1338492), (24, 892328), (32, 669246), (48, 446164), (64, 334623), (71, 301632), (96, 223082), (142, 150816), (192, 111541), (213, 100544), (284, 75408), (426, 50272), (568, 37704), (852, 25136), (1136, 18852), (1571, 13632), (1704, 12568), (2272, 9426), (3142, 6816), (3408, 6284), (4544, 4713)]