21053130

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3457}}^1$

素因数の和:3503

約数の個数: 64

約数和(自身を含む): 59754240

約数和(自身を除く): 38701110

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 70, 87, 105, 145, 174, 203, 210, 290, 406, 435, 609, 870, 1015, 1218, 2030, 3045, 3457, 6090, 6914, 10371, 17285, 20742, 24199, 34570, 48398, 51855, 72597, 100253, 103710, 120995, 145194, 200506, 241990, 300759, 362985, 501265, 601518, 701771, 725970, 1002530, 1403542, 1503795, 2105313, 3007590, 3508855, 4210626, 7017710, 10526565, 21053130]

約数ペア:

[(1, 21053130), (2, 10526565), (3, 7017710), (5, 4210626), (6, 3508855), (7, 3007590), (10, 2105313), (14, 1503795), (15, 1403542), (21, 1002530), (29, 725970), (30, 701771), (35, 601518), (42, 501265), (58, 362985), (70, 300759), (87, 241990), (105, 200506), (145, 145194), (174, 120995), (203, 103710), (210, 100253), (290, 72597), (406, 51855), (435, 48398), (609, 34570), (870, 24199), (1015, 20742), (1218, 17285), (2030, 10371), (3045, 6914), (3457, 6090)]