21571722

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{577}}^1$

素因数の和:683

約数の個数: 48

約数和(自身を含む): 49051392

約数和(自身を除く): 27479670

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 67, 93, 134, 186, 201, 279, 402, 558, 577, 603, 1154, 1206, 1731, 2077, 3462, 4154, 5193, 6231, 10386, 12462, 17887, 18693, 35774, 37386, 38659, 53661, 77318, 107322, 115977, 160983, 231954, 321966, 347931, 695862, 1198429, 2396858, 3595287, 7190574, 10785861, 21571722]

約数ペア:

[(1, 21571722), (2, 10785861), (3, 7190574), (6, 3595287), (9, 2396858), (18, 1198429), (31, 695862), (62, 347931), (67, 321966), (93, 231954), (134, 160983), (186, 115977), (201, 107322), (279, 77318), (402, 53661), (558, 38659), (577, 37386), (603, 35774), (1154, 18693), (1206, 17887), (1731, 12462), (2077, 10386), (3462, 6231), (4154, 5193)]