21576996882

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1019}}^1\times {\mathrm{1031}}^1$

素因数の和:2228

約数の個数: 96

約数和(自身を含む): 53861483520

約数和(自身を除く): 32284486638

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 163, 326, 489, 978, 1019, 1031, 1141, 1467, 2038, 2062, 2282, 2934, 3057, 3093, 3423, 6114, 6186, 6846, 7133, 7217, 9171, 9279, 10269, 14266, 14434, 18342, 18558, 20538, 21399, 21651, 42798, 43302, 64197, 64953, 128394, 129906, 166097, 168053, 332194, 336106, 498291, 504159, 996582, 1008318, 1050589, 1162679, 1176371, 1494873, 1512477, 2101178, 2325358, 2352742, 2989746, 3024954, 3151767, 3488037, 3529113, 6303534, 6976074, 7058226, 7354123, 9455301, 10464111, 10587339, 14708246, 18910602, 20928222, 21174678, 22062369, 44124738, 66187107, 132374214, 171246007, 342492014, 513738021, 1027476042, 1198722049, 1541214063, 2397444098, 3082428126, 3596166147, 7192332294, 10788498441, 21576996882]

約数ペア:

[(1, 21576996882), (2, 10788498441), (3, 7192332294), (6, 3596166147), (7, 3082428126), (9, 2397444098), (14, 1541214063), (18, 1198722049), (21, 1027476042), (42, 513738021), (63, 342492014), (126, 171246007), (163, 132374214), (326, 66187107), (489, 44124738), (978, 22062369), (1019, 21174678), (1031, 20928222), (1141, 18910602), (1467, 14708246), (2038, 10587339), (2062, 10464111), (2282, 9455301), (2934, 7354123), (3057, 7058226), (3093, 6976074), (3423, 6303534), (6114, 3529113), (6186, 3488037), (6846, 3151767), (7133, 3024954), (7217, 2989746), (9171, 2352742), (9279, 2325358), (10269, 2101178), (14266, 1512477), (14434, 1494873), (18342, 1176371), (18558, 1162679), (20538, 1050589), (21399, 1008318), (21651, 996582), (42798, 504159), (43302, 498291), (64197, 336106), (64953, 332194), (128394, 168053), (129906, 166097)]