21419028

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{12659}}^1$

素因数の和:12716

約数の個数: 36

約数和(自身を含む): 55298880

約数和(自身を除く): 33879852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 12659, 25318, 37977, 50636, 75954, 113931, 151908, 227862, 455724, 594973, 1189946, 1784919, 2379892, 3569838, 5354757, 7139676, 10709514, 21419028]

約数ペア:

[(1, 21419028), (2, 10709514), (3, 7139676), (4, 5354757), (6, 3569838), (9, 2379892), (12, 1784919), (18, 1189946), (36, 594973), (47, 455724), (94, 227862), (141, 151908), (188, 113931), (282, 75954), (423, 50636), (564, 37977), (846, 25318), (1692, 12659)]