21154504

素因数分解:

$2^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{3343}}^1$

素因数の和:3469

約数の個数: 32

約数和(自身を含む): 45745920

約数和(自身を除く): 24591416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 113, 226, 452, 791, 904, 1582, 3164, 3343, 6328, 6686, 13372, 23401, 26744, 46802, 93604, 187208, 377759, 755518, 1511036, 2644313, 3022072, 5288626, 10577252, 21154504]

約数ペア:

[(1, 21154504), (2, 10577252), (4, 5288626), (7, 3022072), (8, 2644313), (14, 1511036), (28, 755518), (56, 377759), (113, 187208), (226, 93604), (452, 46802), (791, 26744), (904, 23401), (1582, 13372), (3164, 6686), (3343, 6328)]