21986586

素因数分解:

$2^1\times 3^3\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 50918400

約数和(自身を除く): 28931814

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 59, 67, 103, 118, 134, 177, 201, 206, 309, 354, 402, 531, 603, 618, 927, 1062, 1206, 1593, 1809, 1854, 2781, 3186, 3618, 3953, 5562, 6077, 6901, 7906, 11859, 12154, 13802, 18231, 20703, 23718, 35577, 36462, 41406, 54693, 62109, 71154, 106731, 109386, 124218, 164079, 186327, 213462, 328158, 372654, 407159, 814318, 1221477, 2442954, 3664431, 7328862, 10993293, 21986586]

約数ペア:

[(1, 21986586), (2, 10993293), (3, 7328862), (6, 3664431), (9, 2442954), (18, 1221477), (27, 814318), (54, 407159), (59, 372654), (67, 328158), (103, 213462), (118, 186327), (134, 164079), (177, 124218), (201, 109386), (206, 106731), (309, 71154), (354, 62109), (402, 54693), (531, 41406), (603, 36462), (618, 35577), (927, 23718), (1062, 20703), (1206, 18231), (1593, 13802), (1809, 12154), (1854, 11859), (2781, 7906), (3186, 6901), (3618, 6077), (3953, 5562)]