21948837

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 31712256

約数和(自身を除く): 9763419

約数列:

[1, 3, 31, 53, 61, 73, 93, 159, 183, 219, 1643, 1891, 2263, 3233, 3869, 4453, 4929, 5673, 6789, 9699, 11607, 13359, 100223, 119939, 138043, 236009, 300669, 359817, 414129, 708027, 7316279, 21948837]

約数ペア:

[(1, 21948837), (3, 7316279), (31, 708027), (53, 414129), (61, 359817), (73, 300669), (93, 236009), (159, 138043), (183, 119939), (219, 100223), (1643, 13359), (1891, 11607), (2263, 9699), (3233, 6789), (3869, 5673), (4453, 4929)]