21376620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1153}}^1$

素因数の和:1271

約数の個数: 72

約数和(自身を含む): 65528736

約数和(自身を除く): 44152116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1153, 1236, 1545, 1854, 2060, 2306, 3090, 3459, 3708, 4612, 4635, 5765, 6180, 6918, 9270, 10377, 11530, 13836, 17295, 18540, 20754, 23060, 34590, 41508, 51885, 69180, 103770, 118759, 207540, 237518, 356277, 475036, 593795, 712554, 1068831, 1187590, 1425108, 1781385, 2137662, 2375180, 3562770, 4275324, 5344155, 7125540, 10688310, 21376620]

約数ペア:

[(1, 21376620), (2, 10688310), (3, 7125540), (4, 5344155), (5, 4275324), (6, 3562770), (9, 2375180), (10, 2137662), (12, 1781385), (15, 1425108), (18, 1187590), (20, 1068831), (30, 712554), (36, 593795), (45, 475036), (60, 356277), (90, 237518), (103, 207540), (180, 118759), (206, 103770), (309, 69180), (412, 51885), (515, 41508), (618, 34590), (927, 23060), (1030, 20754), (1153, 18540), (1236, 17295), (1545, 13836), (1854, 11530), (2060, 10377), (2306, 9270), (3090, 6918), (3459, 6180), (3708, 5765), (4612, 4635)]