21384150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{3853}}^1$

素因数の和:3905

約数の個数: 48

約数和(自身を含む): 54480144

約数和(自身を除く): 33095994

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 37, 50, 74, 75, 111, 150, 185, 222, 370, 555, 925, 1110, 1850, 2775, 3853, 5550, 7706, 11559, 19265, 23118, 38530, 57795, 96325, 115590, 142561, 192650, 285122, 288975, 427683, 577950, 712805, 855366, 1425610, 2138415, 3564025, 4276830, 7128050, 10692075, 21384150]

約数ペア:

[(1, 21384150), (2, 10692075), (3, 7128050), (5, 4276830), (6, 3564025), (10, 2138415), (15, 1425610), (25, 855366), (30, 712805), (37, 577950), (50, 427683), (74, 288975), (75, 285122), (111, 192650), (150, 142561), (185, 115590), (222, 96325), (370, 57795), (555, 38530), (925, 23118), (1110, 19265), (1850, 11559), (2775, 7706), (3853, 5550)]