21471710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8693}}^1$

素因数の和:8732

約数の個数: 32

約数和(自身を含む): 43817760

約数和(自身を除く): 22346050

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 8693, 17386, 43465, 86930, 113009, 165167, 226018, 330334, 565045, 825835, 1130090, 1651670, 2147171, 4294342, 10735855, 21471710]

約数ペア:

[(1, 21471710), (2, 10735855), (5, 4294342), (10, 2147171), (13, 1651670), (19, 1130090), (26, 825835), (38, 565045), (65, 330334), (95, 226018), (130, 165167), (190, 113009), (247, 86930), (494, 43465), (1235, 17386), (2470, 8693)]