21122136

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{5987}}^1$

素因数の和:6013

約数の個数: 72

約数和(自身を含む): 66556620

約数和(自身を除く): 45434484

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 5987, 11974, 17961, 23948, 35922, 41909, 47896, 53883, 71844, 83818, 107766, 125727, 143688, 167636, 215532, 251454, 293363, 335272, 377181, 431064, 502908, 586726, 754362, 880089, 1005816, 1173452, 1508724, 1760178, 2346904, 2640267, 3017448, 3520356, 5280534, 7040712, 10561068, 21122136]

約数ペア:

[(1, 21122136), (2, 10561068), (3, 7040712), (4, 5280534), (6, 3520356), (7, 3017448), (8, 2640267), (9, 2346904), (12, 1760178), (14, 1508724), (18, 1173452), (21, 1005816), (24, 880089), (28, 754362), (36, 586726), (42, 502908), (49, 431064), (56, 377181), (63, 335272), (72, 293363), (84, 251454), (98, 215532), (126, 167636), (147, 143688), (168, 125727), (196, 107766), (252, 83818), (294, 71844), (392, 53883), (441, 47896), (504, 41909), (588, 35922), (882, 23948), (1176, 17961), (1764, 11974), (3528, 5987)]