21354585

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7013}}^1$

素因数の和:7057

約数の個数: 32

約数和(自身を含む): 40400640

約数和(自身を除く): 19046055

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 7013, 21039, 35065, 49091, 105195, 147273, 203377, 245455, 610131, 736365, 1016885, 1423639, 3050655, 4270917, 7118195, 21354585]

約数ペア:

[(1, 21354585), (3, 7118195), (5, 4270917), (7, 3050655), (15, 1423639), (21, 1016885), (29, 736365), (35, 610131), (87, 245455), (105, 203377), (145, 147273), (203, 105195), (435, 49091), (609, 35065), (1015, 21039), (3045, 7013)]