21736140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5407}}^1$

素因数の和:5486

約数の個数: 48

約数和(自身を含む): 61780992

約数和(自身を除く): 40044852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 5407, 10814, 16221, 21628, 27035, 32442, 54070, 64884, 81105, 108140, 162210, 324420, 362269, 724538, 1086807, 1449076, 1811345, 2173614, 3622690, 4347228, 5434035, 7245380, 10868070, 21736140]

約数ペア:

[(1, 21736140), (2, 10868070), (3, 7245380), (4, 5434035), (5, 4347228), (6, 3622690), (10, 2173614), (12, 1811345), (15, 1449076), (20, 1086807), (30, 724538), (60, 362269), (67, 324420), (134, 162210), (201, 108140), (268, 81105), (335, 64884), (402, 54070), (670, 32442), (804, 27035), (1005, 21628), (1340, 16221), (2010, 10814), (4020, 5407)]