21799974

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{5351}}^1$

素因数の和:5460

約数の個数: 32

約数和(自身を含む): 50351616

約数和(自身を除く): 28551642

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 97, 194, 291, 582, 679, 1358, 2037, 4074, 5351, 10702, 16053, 32106, 37457, 74914, 112371, 224742, 519047, 1038094, 1557141, 3114282, 3633329, 7266658, 10899987, 21799974]

約数ペア:

[(1, 21799974), (2, 10899987), (3, 7266658), (6, 3633329), (7, 3114282), (14, 1557141), (21, 1038094), (42, 519047), (97, 224742), (194, 112371), (291, 74914), (582, 37457), (679, 32106), (1358, 16053), (2037, 10702), (4074, 5351)]