21880504

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 42134400

約数和(自身を除く): 20253896

約数列:

[1, 2, 4, 8, 59, 118, 151, 236, 302, 307, 472, 604, 614, 1208, 1228, 2456, 8909, 17818, 18113, 35636, 36226, 46357, 71272, 72452, 92714, 144904, 185428, 370856, 2735063, 5470126, 10940252, 21880504]

約数ペア:

[(1, 21880504), (2, 10940252), (4, 5470126), (8, 2735063), (59, 370856), (118, 185428), (151, 144904), (236, 92714), (302, 72452), (307, 71272), (472, 46357), (604, 36226), (614, 35636), (1208, 18113), (1228, 17818), (2456, 8909)]