21168090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12379}}^1$

素因数の和:12411

約数の個数: 48

約数和(自身を含む): 57938400

約数和(自身を除く): 36770310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 12379, 24758, 37137, 61895, 74274, 111411, 123790, 185685, 222822, 235201, 371370, 470402, 557055, 705603, 1114110, 1176005, 1411206, 2116809, 2352010, 3528015, 4233618, 7056030, 10584045, 21168090]

約数ペア:

[(1, 21168090), (2, 10584045), (3, 7056030), (5, 4233618), (6, 3528015), (9, 2352010), (10, 2116809), (15, 1411206), (18, 1176005), (19, 1114110), (30, 705603), (38, 557055), (45, 470402), (57, 371370), (90, 235201), (95, 222822), (114, 185685), (171, 123790), (190, 111411), (285, 74274), (342, 61895), (570, 37137), (855, 24758), (1710, 12379)]