21935910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:373

約数の個数: 64

約数和(自身を含む): 55111680

約数和(自身を除く): 33175770

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 103, 155, 186, 206, 229, 309, 310, 458, 465, 515, 618, 687, 930, 1030, 1145, 1374, 1545, 2290, 3090, 3193, 3435, 6386, 6870, 7099, 9579, 14198, 15965, 19158, 21297, 23587, 31930, 35495, 42594, 47174, 47895, 70761, 70990, 95790, 106485, 117935, 141522, 212970, 235870, 353805, 707610, 731197, 1462394, 2193591, 3655985, 4387182, 7311970, 10967955, 21935910]

約数ペア:

[(1, 21935910), (2, 10967955), (3, 7311970), (5, 4387182), (6, 3655985), (10, 2193591), (15, 1462394), (30, 731197), (31, 707610), (62, 353805), (93, 235870), (103, 212970), (155, 141522), (186, 117935), (206, 106485), (229, 95790), (309, 70990), (310, 70761), (458, 47895), (465, 47174), (515, 42594), (618, 35495), (687, 31930), (930, 23587), (1030, 21297), (1145, 19158), (1374, 15965), (1545, 14198), (2290, 9579), (3090, 7099), (3193, 6870), (3435, 6386)]