21369390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{14537}}^1$

素因数の和:14561

約数の個数: 48

約数和(自身を含む): 59663952

約数和(自身を除く): 38294562

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 14537, 29074, 43611, 72685, 87222, 101759, 145370, 203518, 218055, 305277, 436110, 508795, 610554, 712313, 1017590, 1424626, 1526385, 2136939, 3052770, 3561565, 4273878, 7123130, 10684695, 21369390]

約数ペア:

[(1, 21369390), (2, 10684695), (3, 7123130), (5, 4273878), (6, 3561565), (7, 3052770), (10, 2136939), (14, 1526385), (15, 1424626), (21, 1017590), (30, 712313), (35, 610554), (42, 508795), (49, 436110), (70, 305277), (98, 218055), (105, 203518), (147, 145370), (210, 101759), (245, 87222), (294, 72685), (490, 43611), (735, 29074), (1470, 14537)]