21114255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2671}}^1$

素因数の和:2727

約数の個数: 32

約数和(自身を含む): 36937728

約数和(自身を除く): 15823473

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 1581, 2635, 2671, 7905, 8013, 13355, 40065, 45407, 82801, 136221, 227035, 248403, 414005, 681105, 1242015, 1407617, 4222851, 7038085, 21114255]

約数ペア:

[(1, 21114255), (3, 7038085), (5, 4222851), (15, 1407617), (17, 1242015), (31, 681105), (51, 414005), (85, 248403), (93, 227035), (155, 136221), (255, 82801), (465, 45407), (527, 40065), (1581, 13355), (2635, 8013), (2671, 7905)]