21497772

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{20129}}^1$

素因数の和:20225

約数の個数: 24

約数和(自身を含む): 50727600

約数和(自身を除く): 29229828

約数列:

[1, 2, 3, 4, 6, 12, 89, 178, 267, 356, 534, 1068, 20129, 40258, 60387, 80516, 120774, 241548, 1791481, 3582962, 5374443, 7165924, 10748886, 21497772]

約数ペア:

[(1, 21497772), (2, 10748886), (3, 7165924), (4, 5374443), (6, 3582962), (12, 1791481), (89, 241548), (178, 120774), (267, 80516), (356, 60387), (534, 40258), (1068, 20129)]