21833920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:150

約数の個数: 84

約数和(自身を含む): 54479952

約数和(自身を除く): 32646032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 80, 124, 142, 155, 160, 248, 284, 310, 320, 355, 496, 568, 620, 710, 961, 992, 1136, 1240, 1420, 1922, 1984, 2201, 2272, 2480, 2840, 3844, 4402, 4544, 4805, 4960, 5680, 7688, 8804, 9610, 9920, 11005, 11360, 15376, 17608, 19220, 22010, 22720, 30752, 35216, 38440, 44020, 61504, 68231, 70432, 76880, 88040, 136462, 140864, 153760, 176080, 272924, 307520, 341155, 352160, 545848, 682310, 704320, 1091696, 1364620, 2183392, 2729240, 4366784, 5458480, 10916960, 21833920]

約数ペア:

[(1, 21833920), (2, 10916960), (4, 5458480), (5, 4366784), (8, 2729240), (10, 2183392), (16, 1364620), (20, 1091696), (31, 704320), (32, 682310), (40, 545848), (62, 352160), (64, 341155), (71, 307520), (80, 272924), (124, 176080), (142, 153760), (155, 140864), (160, 136462), (248, 88040), (284, 76880), (310, 70432), (320, 68231), (355, 61504), (496, 44020), (568, 38440), (620, 35216), (710, 30752), (961, 22720), (992, 22010), (1136, 19220), (1240, 17608), (1420, 15376), (1922, 11360), (1984, 11005), (2201, 9920), (2272, 9610), (2480, 8804), (2840, 7688), (3844, 5680), (4402, 4960), (4544, 4805)]