21966588

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1429}}^1$

素因数の和:1507

約数の個数: 72

約数和(自身を含む): 64544480

約数和(自身を除く): 42577892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 84, 122, 126, 183, 244, 252, 366, 427, 549, 732, 854, 1098, 1281, 1429, 1708, 2196, 2562, 2858, 3843, 4287, 5124, 5716, 7686, 8574, 10003, 12861, 15372, 17148, 20006, 25722, 30009, 40012, 51444, 60018, 87169, 90027, 120036, 174338, 180054, 261507, 348676, 360108, 523014, 610183, 784521, 1046028, 1220366, 1569042, 1830549, 2440732, 3138084, 3661098, 5491647, 7322196, 10983294, 21966588]

約数ペア:

[(1, 21966588), (2, 10983294), (3, 7322196), (4, 5491647), (6, 3661098), (7, 3138084), (9, 2440732), (12, 1830549), (14, 1569042), (18, 1220366), (21, 1046028), (28, 784521), (36, 610183), (42, 523014), (61, 360108), (63, 348676), (84, 261507), (122, 180054), (126, 174338), (183, 120036), (244, 90027), (252, 87169), (366, 60018), (427, 51444), (549, 40012), (732, 30009), (854, 25722), (1098, 20006), (1281, 17148), (1429, 15372), (1708, 12861), (2196, 10003), (2562, 8574), (2858, 7686), (3843, 5716), (4287, 5124)]