21013824

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8419}}^1$

素因数の和:8447

約数の個数: 56

約数和(自身を含む): 59883040

約数和(自身を除く): 38869216

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 312, 416, 624, 832, 1248, 2496, 8419, 16838, 25257, 33676, 50514, 67352, 101028, 109447, 134704, 202056, 218894, 269408, 328341, 404112, 437788, 538816, 656682, 808224, 875576, 1313364, 1616448, 1751152, 2626728, 3502304, 5253456, 7004608, 10506912, 21013824]

約数ペア:

[(1, 21013824), (2, 10506912), (3, 7004608), (4, 5253456), (6, 3502304), (8, 2626728), (12, 1751152), (13, 1616448), (16, 1313364), (24, 875576), (26, 808224), (32, 656682), (39, 538816), (48, 437788), (52, 404112), (64, 328341), (78, 269408), (96, 218894), (104, 202056), (156, 134704), (192, 109447), (208, 101028), (312, 67352), (416, 50514), (624, 33676), (832, 25257), (1248, 16838), (2496, 8419)]