21125150

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{601}}^1$

素因数の和:669

約数の個数: 48

約数和(自身を含む): 42549360

約数和(自身を除く): 21424210

約数列:

[1, 2, 5, 10, 19, 25, 37, 38, 50, 74, 95, 185, 190, 370, 475, 601, 703, 925, 950, 1202, 1406, 1850, 3005, 3515, 6010, 7030, 11419, 15025, 17575, 22237, 22838, 30050, 35150, 44474, 57095, 111185, 114190, 222370, 285475, 422503, 555925, 570950, 845006, 1111850, 2112515, 4225030, 10562575, 21125150]

約数ペア:

[(1, 21125150), (2, 10562575), (5, 4225030), (10, 2112515), (19, 1111850), (25, 845006), (37, 570950), (38, 555925), (50, 422503), (74, 285475), (95, 222370), (185, 114190), (190, 111185), (370, 57095), (475, 44474), (601, 35150), (703, 30050), (925, 22838), (950, 22237), (1202, 17575), (1406, 15025), (1850, 11419), (3005, 7030), (3515, 6010)]