21000724816

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1840877}}^1$

素因数の和:1840939

約数の個数: 40

約数和(自身を含む): 43827623424

約数和(自身を除く): 22826898608

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 92, 124, 184, 248, 368, 496, 713, 1426, 2852, 5704, 11408, 1840877, 3681754, 7363508, 14727016, 29454032, 42340171, 57067187, 84680342, 114134374, 169360684, 228268748, 338721368, 456537496, 677442736, 913074992, 1312545301, 2625090602, 5250181204, 10500362408, 21000724816]

約数ペア:

[(1, 21000724816), (2, 10500362408), (4, 5250181204), (8, 2625090602), (16, 1312545301), (23, 913074992), (31, 677442736), (46, 456537496), (62, 338721368), (92, 228268748), (124, 169360684), (184, 114134374), (248, 84680342), (368, 57067187), (496, 42340171), (713, 29454032), (1426, 14727016), (2852, 7363508), (5704, 3681754), (11408, 1840877)]