21559260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 63608832

約数和(自身を除く): 42049572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 67, 93, 124, 134, 155, 173, 186, 201, 268, 310, 335, 346, 372, 402, 465, 519, 620, 670, 692, 804, 865, 930, 1005, 1038, 1340, 1730, 1860, 2010, 2076, 2077, 2595, 3460, 4020, 4154, 5190, 5363, 6231, 8308, 10380, 10385, 10726, 11591, 12462, 16089, 20770, 21452, 23182, 24924, 26815, 31155, 32178, 34773, 41540, 46364, 53630, 57955, 62310, 64356, 69546, 80445, 107260, 115910, 124620, 139092, 160890, 173865, 231820, 321780, 347730, 359321, 695460, 718642, 1077963, 1437284, 1796605, 2155926, 3593210, 4311852, 5389815, 7186420, 10779630, 21559260]

約数ペア:

[(1, 21559260), (2, 10779630), (3, 7186420), (4, 5389815), (5, 4311852), (6, 3593210), (10, 2155926), (12, 1796605), (15, 1437284), (20, 1077963), (30, 718642), (31, 695460), (60, 359321), (62, 347730), (67, 321780), (93, 231820), (124, 173865), (134, 160890), (155, 139092), (173, 124620), (186, 115910), (201, 107260), (268, 80445), (310, 69546), (335, 64356), (346, 62310), (372, 57955), (402, 53630), (465, 46364), (519, 41540), (620, 34773), (670, 32178), (692, 31155), (804, 26815), (865, 24924), (930, 23182), (1005, 21452), (1038, 20770), (1340, 16089), (1730, 12462), (1860, 11591), (2010, 10726), (2076, 10385), (2077, 10380), (2595, 8308), (3460, 6231), (4020, 5363), (4154, 5190)]