21917403

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4621}}^1$

素因数の和:4675

約数の個数: 24

約数和(自身を含む): 34609536

約数和(自身を除く): 12692133

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 527, 1581, 4621, 4743, 13863, 41589, 78557, 143251, 235671, 429753, 707013, 1289259, 2435267, 7305801, 21917403]

約数ペア:

[(1, 21917403), (3, 7305801), (9, 2435267), (17, 1289259), (31, 707013), (51, 429753), (93, 235671), (153, 143251), (279, 78557), (527, 41589), (1581, 13863), (4621, 4743)]