21126056

素因数分解:

$2^3\times 7^3\times {\mathrm{7699}}^1$

素因数の和:7726

約数の個数: 32

約数和(自身を含む): 46200000

約数和(自身を除く): 25073944

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 7699, 15398, 30796, 53893, 61592, 107786, 215572, 377251, 431144, 754502, 1509004, 2640757, 3018008, 5281514, 10563028, 21126056]

約数ペア:

[(1, 21126056), (2, 10563028), (4, 5281514), (7, 3018008), (8, 2640757), (14, 1509004), (28, 754502), (49, 431144), (56, 377251), (98, 215572), (196, 107786), (343, 61592), (392, 53893), (686, 30796), (1372, 15398), (2744, 7699)]