21767660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{599}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 48384000

約数和(自身を除く): 26616340

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 599, 790, 1198, 1580, 1817, 2396, 2995, 3634, 5990, 7268, 9085, 11980, 13777, 18170, 27554, 36340, 47321, 55108, 68885, 94642, 137770, 189284, 236605, 275540, 473210, 946420, 1088383, 2176766, 4353532, 5441915, 10883830, 21767660]

約数ペア:

[(1, 21767660), (2, 10883830), (4, 5441915), (5, 4353532), (10, 2176766), (20, 1088383), (23, 946420), (46, 473210), (79, 275540), (92, 236605), (115, 189284), (158, 137770), (230, 94642), (316, 68885), (395, 55108), (460, 47321), (599, 36340), (790, 27554), (1198, 18170), (1580, 13777), (1817, 11980), (2396, 9085), (2995, 7268), (3634, 5990)]