21812902

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{8581}}^1$

素因数の和:8655

約数の個数: 16

約数和(自身を含む): 34602624

約数和(自身を除く): 12789722

約数列:

[1, 2, 31, 41, 62, 82, 1271, 2542, 8581, 17162, 266011, 351821, 532022, 703642, 10906451, 21812902]

約数ペア:

[(1, 21812902), (2, 10906451), (31, 703642), (41, 532022), (62, 351821), (82, 266011), (1271, 17162), (2542, 8581)]