21026994

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{977}}^1$

素因数の和:1210

約数の個数: 32

約数和(自身を含む): 44784576

約数和(自身を除く): 23757582

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 211, 422, 633, 977, 1266, 1954, 2931, 3587, 5862, 7174, 10761, 16609, 21522, 33218, 49827, 99654, 206147, 412294, 618441, 1236882, 3504499, 7008998, 10513497, 21026994]

約数ペア:

[(1, 21026994), (2, 10513497), (3, 7008998), (6, 3504499), (17, 1236882), (34, 618441), (51, 412294), (102, 206147), (211, 99654), (422, 49827), (633, 33218), (977, 21522), (1266, 16609), (1954, 10761), (2931, 7174), (3587, 5862)]