21272628

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7177}}^1$

素因数の和:7216

約数の個数: 48

約数和(自身を含む): 56275520

約数和(自身を除く): 35002892

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 7177, 14354, 21531, 28708, 43062, 86124, 93301, 136363, 186602, 272726, 279903, 373204, 409089, 545452, 559806, 818178, 1119612, 1636356, 1772719, 3545438, 5318157, 7090876, 10636314, 21272628]

約数ペア:

[(1, 21272628), (2, 10636314), (3, 7090876), (4, 5318157), (6, 3545438), (12, 1772719), (13, 1636356), (19, 1119612), (26, 818178), (38, 559806), (39, 545452), (52, 409089), (57, 373204), (76, 279903), (78, 272726), (114, 186602), (156, 136363), (228, 93301), (247, 86124), (494, 43062), (741, 28708), (988, 21531), (1482, 14354), (2964, 7177)]