21110076

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1049}}^1$

素因数の和:1115

約数の個数: 72

約数和(自身を含む): 58858800

約数和(自身を除く): 37748724

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1049, 1118, 1548, 1677, 2098, 2236, 3147, 3354, 4196, 5031, 6294, 6708, 9441, 10062, 12588, 13637, 18882, 20124, 27274, 37764, 40911, 45107, 54548, 81822, 90214, 122733, 135321, 163644, 180428, 245466, 270642, 405963, 490932, 541284, 586391, 811926, 1172782, 1623852, 1759173, 2345564, 3518346, 5277519, 7036692, 10555038, 21110076]

約数ペア:

[(1, 21110076), (2, 10555038), (3, 7036692), (4, 5277519), (6, 3518346), (9, 2345564), (12, 1759173), (13, 1623852), (18, 1172782), (26, 811926), (36, 586391), (39, 541284), (43, 490932), (52, 405963), (78, 270642), (86, 245466), (117, 180428), (129, 163644), (156, 135321), (172, 122733), (234, 90214), (258, 81822), (387, 54548), (468, 45107), (516, 40911), (559, 37764), (774, 27274), (1049, 20124), (1118, 18882), (1548, 13637), (1677, 12588), (2098, 10062), (2236, 9441), (3147, 6708), (3354, 6294), (4196, 5031)]