21174804

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{757}}^1$

素因数の和:814

約数の個数: 96

約数和(自身を含む): 64520960

約数和(自身を除く): 43346156

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 37, 42, 54, 63, 74, 84, 108, 111, 126, 148, 189, 222, 252, 259, 333, 378, 444, 518, 666, 756, 757, 777, 999, 1036, 1332, 1514, 1554, 1998, 2271, 2331, 3028, 3108, 3996, 4542, 4662, 5299, 6813, 6993, 9084, 9324, 10598, 13626, 13986, 15897, 20439, 21196, 27252, 27972, 28009, 31794, 40878, 47691, 56018, 63588, 81756, 84027, 95382, 112036, 143073, 168054, 190764, 196063, 252081, 286146, 336108, 392126, 504162, 572292, 588189, 756243, 784252, 1008324, 1176378, 1512486, 1764567, 2352756, 3024972, 3529134, 5293701, 7058268, 10587402, 21174804]

約数ペア:

[(1, 21174804), (2, 10587402), (3, 7058268), (4, 5293701), (6, 3529134), (7, 3024972), (9, 2352756), (12, 1764567), (14, 1512486), (18, 1176378), (21, 1008324), (27, 784252), (28, 756243), (36, 588189), (37, 572292), (42, 504162), (54, 392126), (63, 336108), (74, 286146), (84, 252081), (108, 196063), (111, 190764), (126, 168054), (148, 143073), (189, 112036), (222, 95382), (252, 84027), (259, 81756), (333, 63588), (378, 56018), (444, 47691), (518, 40878), (666, 31794), (756, 28009), (757, 27972), (777, 27252), (999, 21196), (1036, 20439), (1332, 15897), (1514, 13986), (1554, 13626), (1998, 10598), (2271, 9324), (2331, 9084), (3028, 6993), (3108, 6813), (3996, 5299), (4542, 4662)]