21918390536

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12625801}}^1$

素因数の和:12625845

約数の個数: 32

約数和(自身を含む): 48483079680

約数和(自身を除く): 26564689144

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 12625801, 25251602, 50503204, 88380607, 101006408, 176761214, 353522428, 391399831, 707044856, 782799662, 1565599324, 2739798817, 3131198648, 5479597634, 10959195268, 21918390536]

約数ペア:

[(1, 21918390536), (2, 10959195268), (4, 5479597634), (7, 3131198648), (8, 2739798817), (14, 1565599324), (28, 782799662), (31, 707044856), (56, 391399831), (62, 353522428), (124, 176761214), (217, 101006408), (248, 88380607), (434, 50503204), (868, 25251602), (1736, 12625801)]