21269056

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{17491}}^1$

素因数の和:17522

約数の個数: 28

約数和(自身を含む): 44429680

約数和(自身を除く): 23160624

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 17491, 34982, 69964, 139928, 279856, 332329, 559712, 664658, 1119424, 1329316, 2658632, 5317264, 10634528, 21269056]

約数ペア:

[(1, 21269056), (2, 10634528), (4, 5317264), (8, 2658632), (16, 1329316), (19, 1119424), (32, 664658), (38, 559712), (64, 332329), (76, 279856), (152, 139928), (304, 69964), (608, 34982), (1216, 17491)]