21080041962

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1667461}}^1$

素因数の和:1667523

約数の個数: 48

約数和(自身を含む): 50183936352

約数和(自身を除く): 29103894390

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 86, 98, 129, 147, 258, 294, 301, 602, 903, 1806, 2107, 4214, 6321, 12642, 1667461, 3334922, 5002383, 10004766, 11672227, 23344454, 35016681, 70033362, 71700823, 81705589, 143401646, 163411178, 215102469, 245116767, 430204938, 490233534, 501905761, 1003811522, 1505717283, 3011434566, 3513340327, 7026680654, 10540020981, 21080041962]

約数ペア:

[(1, 21080041962), (2, 10540020981), (3, 7026680654), (6, 3513340327), (7, 3011434566), (14, 1505717283), (21, 1003811522), (42, 501905761), (43, 490233534), (49, 430204938), (86, 245116767), (98, 215102469), (129, 163411178), (147, 143401646), (258, 81705589), (294, 71700823), (301, 70033362), (602, 35016681), (903, 23344454), (1806, 11672227), (2107, 10004766), (4214, 5002383), (6321, 3334922), (12642, 1667461)]