21581112

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6761}}^1$

素因数の和:6796

約数の個数: 64

約数和(自身を含む): 64915200

約数和(自身を除く): 43334088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 152, 168, 228, 266, 399, 456, 532, 798, 1064, 1596, 3192, 6761, 13522, 20283, 27044, 40566, 47327, 54088, 81132, 94654, 128459, 141981, 162264, 189308, 256918, 283962, 378616, 385377, 513836, 567924, 770754, 899213, 1027672, 1135848, 1541508, 1798426, 2697639, 3083016, 3596852, 5395278, 7193704, 10790556, 21581112]

約数ペア:

[(1, 21581112), (2, 10790556), (3, 7193704), (4, 5395278), (6, 3596852), (7, 3083016), (8, 2697639), (12, 1798426), (14, 1541508), (19, 1135848), (21, 1027672), (24, 899213), (28, 770754), (38, 567924), (42, 513836), (56, 385377), (57, 378616), (76, 283962), (84, 256918), (114, 189308), (133, 162264), (152, 141981), (168, 128459), (228, 94654), (266, 81132), (399, 54088), (456, 47327), (532, 40566), (798, 27044), (1064, 20283), (1596, 13522), (3192, 6761)]