21706568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5641}}^1$

素因数の和:5697

約数の個数: 32

約数和(自身を含む): 45023160

約数和(自身を除く): 23316592

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5641, 11282, 22564, 45128, 73333, 146666, 208717, 293332, 417434, 586664, 834868, 1669736, 2713321, 5426642, 10853284, 21706568]

約数ペア:

[(1, 21706568), (2, 10853284), (4, 5426642), (8, 2713321), (13, 1669736), (26, 834868), (37, 586664), (52, 417434), (74, 293332), (104, 208717), (148, 146666), (296, 73333), (481, 45128), (962, 22564), (1924, 11282), (3848, 5641)]