21060110

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{67}}^1$

素因数の和:177

約数の個数: 48

約数和(自身を含む): 41706576

約数和(自身を除く): 20646466

約数列:

[1, 2, 5, 10, 17, 34, 43, 67, 85, 86, 134, 170, 215, 335, 430, 670, 731, 1139, 1462, 1849, 2278, 2881, 3655, 3698, 5695, 5762, 7310, 9245, 11390, 14405, 18490, 28810, 31433, 48977, 62866, 97954, 123883, 157165, 244885, 247766, 314330, 489770, 619415, 1238830, 2106011, 4212022, 10530055, 21060110]

約数ペア:

[(1, 21060110), (2, 10530055), (5, 4212022), (10, 2106011), (17, 1238830), (34, 619415), (43, 489770), (67, 314330), (85, 247766), (86, 244885), (134, 157165), (170, 123883), (215, 97954), (335, 62866), (430, 48977), (670, 31433), (731, 28810), (1139, 18490), (1462, 14405), (1849, 11390), (2278, 9245), (2881, 7310), (3655, 5762), (3698, 5695)]