21582540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{2447}}^1$

素因数の和:2476

約数の個数: 108

約数和(自身を含む): 76186656

約数和(自身を除く): 54604116

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2447, 2940, 4410, 4894, 7341, 8820, 9788, 12235, 14682, 17129, 22023, 24470, 29364, 34258, 36705, 44046, 48940, 51387, 68516, 73410, 85645, 88092, 102774, 110115, 119903, 146820, 154161, 171290, 205548, 220230, 239806, 256935, 308322, 342580, 359709, 440460, 479612, 513870, 599515, 616644, 719418, 770805, 1027740, 1079127, 1199030, 1438836, 1541610, 1798545, 2158254, 2398060, 3083220, 3597090, 4316508, 5395635, 7194180, 10791270, 21582540]

約数ペア:

[(1, 21582540), (2, 10791270), (3, 7194180), (4, 5395635), (5, 4316508), (6, 3597090), (7, 3083220), (9, 2398060), (10, 2158254), (12, 1798545), (14, 1541610), (15, 1438836), (18, 1199030), (20, 1079127), (21, 1027740), (28, 770805), (30, 719418), (35, 616644), (36, 599515), (42, 513870), (45, 479612), (49, 440460), (60, 359709), (63, 342580), (70, 308322), (84, 256935), (90, 239806), (98, 220230), (105, 205548), (126, 171290), (140, 154161), (147, 146820), (180, 119903), (196, 110115), (210, 102774), (245, 88092), (252, 85645), (294, 73410), (315, 68516), (420, 51387), (441, 48940), (490, 44046), (588, 36705), (630, 34258), (735, 29364), (882, 24470), (980, 22023), (1260, 17129), (1470, 14682), (1764, 12235), (2205, 9788), (2447, 8820), (2940, 7341), (4410, 4894)]