21620470

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 40134528

約数和(自身を除く): 18514058

約数列:

[1, 2, 5, 10, 47, 94, 157, 235, 293, 314, 470, 586, 785, 1465, 1570, 2930, 7379, 13771, 14758, 27542, 36895, 46001, 68855, 73790, 92002, 137710, 230005, 460010, 2162047, 4324094, 10810235, 21620470]

約数ペア:

[(1, 21620470), (2, 10810235), (5, 4324094), (10, 2162047), (47, 460010), (94, 230005), (157, 137710), (235, 92002), (293, 73790), (314, 68855), (470, 46001), (586, 36895), (785, 27542), (1465, 14758), (1570, 13771), (2930, 7379)]