21887044

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{331}}^1$

素因数の和:667

約数の個数: 24

約数和(自身を含む): 39191936

約数和(自身を除く): 17304892

約数列:

[1, 2, 4, 61, 122, 244, 271, 331, 542, 662, 1084, 1324, 16531, 20191, 33062, 40382, 66124, 80764, 89701, 179402, 358804, 5471761, 10943522, 21887044]

約数ペア:

[(1, 21887044), (2, 10943522), (4, 5471761), (61, 358804), (122, 179402), (244, 89701), (271, 80764), (331, 66124), (542, 40382), (662, 33062), (1084, 20191), (1324, 16531)]