21369510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13967}}^1$

素因数の和:13997

約数の個数: 48

約数和(自身を含む): 58833216

約数和(自身を除く): 37463706

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 13967, 27934, 41901, 69835, 83802, 125703, 139670, 209505, 237439, 251406, 419010, 474878, 628515, 712317, 1187195, 1257030, 1424634, 2136951, 2374390, 3561585, 4273902, 7123170, 10684755, 21369510]

約数ペア:

[(1, 21369510), (2, 10684755), (3, 7123170), (5, 4273902), (6, 3561585), (9, 2374390), (10, 2136951), (15, 1424634), (17, 1257030), (18, 1187195), (30, 712317), (34, 628515), (45, 474878), (51, 419010), (85, 251406), (90, 237439), (102, 209505), (153, 139670), (170, 125703), (255, 83802), (306, 69835), (510, 41901), (765, 27934), (1530, 13967)]