21413696

素因数分解:

$2^6\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:231

約数の個数: 56

約数和(自身を含む): 44439840

約数和(自身を除く): 23026144

約数列:

[1, 2, 4, 8, 16, 32, 53, 59, 64, 106, 107, 118, 212, 214, 236, 424, 428, 472, 848, 856, 944, 1696, 1712, 1888, 3127, 3392, 3424, 3776, 5671, 6254, 6313, 6848, 11342, 12508, 12626, 22684, 25016, 25252, 45368, 50032, 50504, 90736, 100064, 101008, 181472, 200128, 202016, 334589, 362944, 404032, 669178, 1338356, 2676712, 5353424, 10706848, 21413696]

約数ペア:

[(1, 21413696), (2, 10706848), (4, 5353424), (8, 2676712), (16, 1338356), (32, 669178), (53, 404032), (59, 362944), (64, 334589), (106, 202016), (107, 200128), (118, 181472), (212, 101008), (214, 100064), (236, 90736), (424, 50504), (428, 50032), (472, 45368), (848, 25252), (856, 25016), (944, 22684), (1696, 12626), (1712, 12508), (1888, 11342), (3127, 6848), (3392, 6313), (3424, 6254), (3776, 5671)]