21569268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{557}}^1$

素因数の和:1032

約数の個数: 48

約数和(自身を含む): 57746304

約数和(自身を除く): 36177036

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 461, 557, 922, 1114, 1383, 1671, 1844, 2228, 2766, 3227, 3342, 3899, 5532, 6454, 6684, 7798, 9681, 11697, 12908, 15596, 19362, 23394, 38724, 46788, 256777, 513554, 770331, 1027108, 1540662, 1797439, 3081324, 3594878, 5392317, 7189756, 10784634, 21569268]

約数ペア:

[(1, 21569268), (2, 10784634), (3, 7189756), (4, 5392317), (6, 3594878), (7, 3081324), (12, 1797439), (14, 1540662), (21, 1027108), (28, 770331), (42, 513554), (84, 256777), (461, 46788), (557, 38724), (922, 23394), (1114, 19362), (1383, 15596), (1671, 12908), (1844, 11697), (2228, 9681), (2766, 7798), (3227, 6684), (3342, 6454), (3899, 5532)]