21019692

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{24671}}^1$

素因数の和:24749

約数の個数: 24

約数和(自身を含む): 49738752

約数和(自身を除く): 28719060

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 24671, 49342, 74013, 98684, 148026, 296052, 1751641, 3503282, 5254923, 7006564, 10509846, 21019692]

約数ペア:

[(1, 21019692), (2, 10509846), (3, 7006564), (4, 5254923), (6, 3503282), (12, 1751641), (71, 296052), (142, 148026), (213, 98684), (284, 74013), (426, 49342), (852, 24671)]