21842655

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{337}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 36504000

約数和(自身を除く): 14661345

約数列:

[1, 3, 5, 15, 29, 87, 145, 149, 337, 435, 447, 745, 1011, 1685, 2235, 4321, 5055, 9773, 12963, 21605, 29319, 48865, 50213, 64815, 146595, 150639, 251065, 753195, 1456177, 4368531, 7280885, 21842655]

約数ペア:

[(1, 21842655), (3, 7280885), (5, 4368531), (15, 1456177), (29, 753195), (87, 251065), (145, 150639), (149, 146595), (337, 64815), (435, 50213), (447, 48865), (745, 29319), (1011, 21605), (1685, 12963), (2235, 9773), (4321, 5055)]