21517080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1061}}^1$

素因数の和:1101

約数の個数: 96

約数和(自身を含む): 69964560

約数和(自身を除く): 48447480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 169, 195, 260, 312, 338, 390, 507, 520, 676, 780, 845, 1014, 1061, 1352, 1560, 1690, 2028, 2122, 2535, 3183, 3380, 4056, 4244, 5070, 5305, 6366, 6760, 8488, 10140, 10610, 12732, 13793, 15915, 20280, 21220, 25464, 27586, 31830, 41379, 42440, 55172, 63660, 68965, 82758, 110344, 127320, 137930, 165516, 179309, 206895, 275860, 331032, 358618, 413790, 537927, 551720, 717236, 827580, 896545, 1075854, 1434472, 1655160, 1793090, 2151708, 2689635, 3586180, 4303416, 5379270, 7172360, 10758540, 21517080]

約数ペア:

[(1, 21517080), (2, 10758540), (3, 7172360), (4, 5379270), (5, 4303416), (6, 3586180), (8, 2689635), (10, 2151708), (12, 1793090), (13, 1655160), (15, 1434472), (20, 1075854), (24, 896545), (26, 827580), (30, 717236), (39, 551720), (40, 537927), (52, 413790), (60, 358618), (65, 331032), (78, 275860), (104, 206895), (120, 179309), (130, 165516), (156, 137930), (169, 127320), (195, 110344), (260, 82758), (312, 68965), (338, 63660), (390, 55172), (507, 42440), (520, 41379), (676, 31830), (780, 27586), (845, 25464), (1014, 21220), (1061, 20280), (1352, 15915), (1560, 13793), (1690, 12732), (2028, 10610), (2122, 10140), (2535, 8488), (3183, 6760), (3380, 6366), (4056, 5305), (4244, 5070)]