21125910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2851}}^1$

素因数の和:2893

約数の個数: 64

約数和(自身を含む): 57496320

約数和(自身を除く): 36370410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 2851, 3705, 5702, 7410, 8553, 14255, 17106, 28510, 37063, 42765, 54169, 74126, 85530, 108338, 111189, 162507, 185315, 222378, 270845, 325014, 370630, 541690, 555945, 704197, 812535, 1111890, 1408394, 1625070, 2112591, 3520985, 4225182, 7041970, 10562955, 21125910]

約数ペア:

[(1, 21125910), (2, 10562955), (3, 7041970), (5, 4225182), (6, 3520985), (10, 2112591), (13, 1625070), (15, 1408394), (19, 1111890), (26, 812535), (30, 704197), (38, 555945), (39, 541690), (57, 370630), (65, 325014), (78, 270845), (95, 222378), (114, 185315), (130, 162507), (190, 111189), (195, 108338), (247, 85530), (285, 74126), (390, 54169), (494, 42765), (570, 37063), (741, 28510), (1235, 17106), (1482, 14255), (2470, 8553), (2851, 7410), (3705, 5702)]