21384900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{23761}}^1$

素因数の和:23781

約数の個数: 54

約数和(自身を含む): 67032602

約数和(自身を除く): 45647702

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 23761, 47522, 71283, 95044, 118805, 142566, 213849, 237610, 285132, 356415, 427698, 475220, 594025, 712830, 855396, 1069245, 1188050, 1425660, 1782075, 2138490, 2376100, 3564150, 4276980, 5346225, 7128300, 10692450, 21384900]

約数ペア:

[(1, 21384900), (2, 10692450), (3, 7128300), (4, 5346225), (5, 4276980), (6, 3564150), (9, 2376100), (10, 2138490), (12, 1782075), (15, 1425660), (18, 1188050), (20, 1069245), (25, 855396), (30, 712830), (36, 594025), (45, 475220), (50, 427698), (60, 356415), (75, 285132), (90, 237610), (100, 213849), (150, 142566), (180, 118805), (225, 95044), (300, 71283), (450, 47522), (900, 23761)]