21710560

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4679}}^1$

素因数の和:4723

約数の個数: 48

約数和(自身を含む): 53071200

約数和(自身を除く): 31360640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 4679, 9358, 18716, 23395, 37432, 46790, 74864, 93580, 135691, 149728, 187160, 271382, 374320, 542764, 678455, 748640, 1085528, 1356910, 2171056, 2713820, 4342112, 5427640, 10855280, 21710560]

約数ペア:

[(1, 21710560), (2, 10855280), (4, 5427640), (5, 4342112), (8, 2713820), (10, 2171056), (16, 1356910), (20, 1085528), (29, 748640), (32, 678455), (40, 542764), (58, 374320), (80, 271382), (116, 187160), (145, 149728), (160, 135691), (232, 93580), (290, 74864), (464, 46790), (580, 37432), (928, 23395), (1160, 18716), (2320, 9358), (4640, 4679)]