21722868

素因数分解:

$2^2\times 3^2\times {\mathrm{331}}^1\times {\mathrm{1823}}^1$

素因数の和:2164

約数の個数: 36

約数和(自身を含む): 55106688

約数和(自身を除く): 33383820

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 331, 662, 993, 1324, 1823, 1986, 2979, 3646, 3972, 5469, 5958, 7292, 10938, 11916, 16407, 21876, 32814, 65628, 603413, 1206826, 1810239, 2413652, 3620478, 5430717, 7240956, 10861434, 21722868]

約数ペア:

[(1, 21722868), (2, 10861434), (3, 7240956), (4, 5430717), (6, 3620478), (9, 2413652), (12, 1810239), (18, 1206826), (36, 603413), (331, 65628), (662, 32814), (993, 21876), (1324, 16407), (1823, 11916), (1986, 10938), (2979, 7292), (3646, 5958), (3972, 5469)]