21258112

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8741}}^1$

素因数の和:8774

約数の個数: 32

約数和(自身を含む): 44584200

約数和(自身を除く): 23326088

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8741, 17482, 34964, 69928, 139856, 166079, 279712, 332158, 559424, 664316, 1118848, 1328632, 2657264, 5314528, 10629056, 21258112]

約数ペア:

[(1, 21258112), (2, 10629056), (4, 5314528), (8, 2657264), (16, 1328632), (19, 1118848), (32, 664316), (38, 559424), (64, 332158), (76, 279712), (128, 166079), (152, 139856), (304, 69928), (608, 34964), (1216, 17482), (2432, 8741)]