21282716

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{991}}^1$

素因数の和:1074

約数の個数: 48

約数和(自身を含む): 46663680

約数和(自身を除く): 25380964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 59, 91, 118, 182, 236, 364, 413, 767, 826, 991, 1534, 1652, 1982, 3068, 3964, 5369, 6937, 10738, 12883, 13874, 21476, 25766, 27748, 51532, 58469, 90181, 116938, 180362, 233876, 360724, 409283, 760097, 818566, 1520194, 1637132, 3040388, 5320679, 10641358, 21282716]

約数ペア:

[(1, 21282716), (2, 10641358), (4, 5320679), (7, 3040388), (13, 1637132), (14, 1520194), (26, 818566), (28, 760097), (52, 409283), (59, 360724), (91, 233876), (118, 180362), (182, 116938), (236, 90181), (364, 58469), (413, 51532), (767, 27748), (826, 25766), (991, 21476), (1534, 13874), (1652, 12883), (1982, 10738), (3068, 6937), (3964, 5369)]