21135030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5297}}^1$

素因数の和:5333

約数の個数: 64

約数和(自身を含む): 61032960

約数和(自身を除く): 39897930

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 5297, 10594, 15891, 26485, 31782, 37079, 52970, 74158, 79455, 100643, 111237, 158910, 185395, 201286, 222474, 301929, 370790, 503215, 556185, 603858, 704501, 1006430, 1112370, 1409002, 1509645, 2113503, 3019290, 3522505, 4227006, 7045010, 10567515, 21135030]

約数ペア:

[(1, 21135030), (2, 10567515), (3, 7045010), (5, 4227006), (6, 3522505), (7, 3019290), (10, 2113503), (14, 1509645), (15, 1409002), (19, 1112370), (21, 1006430), (30, 704501), (35, 603858), (38, 556185), (42, 503215), (57, 370790), (70, 301929), (95, 222474), (105, 201286), (114, 185395), (133, 158910), (190, 111237), (210, 100643), (266, 79455), (285, 74158), (399, 52970), (570, 37079), (665, 31782), (798, 26485), (1330, 15891), (1995, 10594), (3990, 5297)]