21627184

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{22159}}^1$

素因数の和:22228

約数の個数: 20

約数和(自身を含む): 42591520

約数和(自身を除く): 20964336

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 22159, 44318, 88636, 177272, 354544, 1351699, 2703398, 5406796, 10813592, 21627184]

約数ペア:

[(1, 21627184), (2, 10813592), (4, 5406796), (8, 2703398), (16, 1351699), (61, 354544), (122, 177272), (244, 88636), (488, 44318), (976, 22159)]