21626670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2411}}^1$

素因数の和:2457

約数の個数: 64

約数和(自身を含む): 58351104

約数和(自身を除く): 36724434

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1495, 1794, 2411, 2990, 4485, 4822, 7233, 8970, 12055, 14466, 24110, 31343, 36165, 55453, 62686, 72330, 94029, 110906, 156715, 166359, 188058, 277265, 313430, 332718, 470145, 554530, 720889, 831795, 940290, 1441778, 1663590, 2162667, 3604445, 4325334, 7208890, 10813335, 21626670]

約数ペア:

[(1, 21626670), (2, 10813335), (3, 7208890), (5, 4325334), (6, 3604445), (10, 2162667), (13, 1663590), (15, 1441778), (23, 940290), (26, 831795), (30, 720889), (39, 554530), (46, 470145), (65, 332718), (69, 313430), (78, 277265), (115, 188058), (130, 166359), (138, 156715), (195, 110906), (230, 94029), (299, 72330), (345, 62686), (390, 55453), (598, 36165), (690, 31343), (897, 24110), (1495, 14466), (1794, 12055), (2411, 8970), (2990, 7233), (4485, 4822)]