21093666045

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{156371}}^1$

素因数の和:156442

約数の個数: 48

約数和(自身を含む): 37356645312

約数和(自身を除く): 16262979267

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 529, 1173, 1587, 1955, 2645, 5865, 7935, 8993, 26979, 44965, 134895, 156371, 469113, 781855, 2345565, 2658307, 3596533, 7974921, 10789599, 13291535, 17982665, 39874605, 53947995, 61141061, 82720259, 183423183, 248160777, 305705305, 413601295, 917115915, 1240803885, 1406244403, 4218733209, 7031222015, 21093666045]

約数ペア:

[(1, 21093666045), (3, 7031222015), (5, 4218733209), (15, 1406244403), (17, 1240803885), (23, 917115915), (51, 413601295), (69, 305705305), (85, 248160777), (115, 183423183), (255, 82720259), (345, 61141061), (391, 53947995), (529, 39874605), (1173, 17982665), (1587, 13291535), (1955, 10789599), (2645, 7974921), (5865, 3596533), (7935, 2658307), (8993, 2345565), (26979, 781855), (44965, 469113), (134895, 156371)]