21929180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12049}}^1$

素因数の和:12078

約数の個数: 48

約数和(自身を含む): 56683200

約数和(自身を除く): 34754020

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 12049, 24098, 48196, 60245, 84343, 120490, 156637, 168686, 240980, 313274, 337372, 421715, 626548, 783185, 843430, 1096459, 1566370, 1686860, 2192918, 3132740, 4385836, 5482295, 10964590, 21929180]

約数ペア:

[(1, 21929180), (2, 10964590), (4, 5482295), (5, 4385836), (7, 3132740), (10, 2192918), (13, 1686860), (14, 1566370), (20, 1096459), (26, 843430), (28, 783185), (35, 626548), (52, 421715), (65, 337372), (70, 313274), (91, 240980), (130, 168686), (140, 156637), (182, 120490), (260, 84343), (364, 60245), (455, 48196), (910, 24098), (1820, 12049)]