21879690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2423}}^1$

素因数の和:2483

約数の個数: 64

約数和(自身を含む): 61433856

約数和(自身を除く): 39554166

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 105, 129, 210, 215, 258, 301, 430, 602, 645, 903, 1290, 1505, 1806, 2423, 3010, 4515, 4846, 7269, 9030, 12115, 14538, 16961, 24230, 33922, 36345, 50883, 72690, 84805, 101766, 104189, 169610, 208378, 254415, 312567, 508830, 520945, 625134, 729323, 1041890, 1458646, 1562835, 2187969, 3125670, 3646615, 4375938, 7293230, 10939845, 21879690]

約数ペア:

[(1, 21879690), (2, 10939845), (3, 7293230), (5, 4375938), (6, 3646615), (7, 3125670), (10, 2187969), (14, 1562835), (15, 1458646), (21, 1041890), (30, 729323), (35, 625134), (42, 520945), (43, 508830), (70, 312567), (86, 254415), (105, 208378), (129, 169610), (210, 104189), (215, 101766), (258, 84805), (301, 72690), (430, 50883), (602, 36345), (645, 33922), (903, 24230), (1290, 16961), (1505, 14538), (1806, 12115), (2423, 9030), (3010, 7269), (4515, 4846)]