21027432

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 54639360

約数和(自身を除く): 33611928

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 61, 106, 122, 159, 183, 212, 244, 271, 318, 366, 424, 488, 542, 636, 732, 813, 1084, 1272, 1464, 1626, 2168, 3233, 3252, 6466, 6504, 9699, 12932, 14363, 16531, 19398, 25864, 28726, 33062, 38796, 43089, 49593, 57452, 66124, 77592, 86178, 99186, 114904, 132248, 172356, 198372, 344712, 396744, 876143, 1752286, 2628429, 3504572, 5256858, 7009144, 10513716, 21027432]

約数ペア:

[(1, 21027432), (2, 10513716), (3, 7009144), (4, 5256858), (6, 3504572), (8, 2628429), (12, 1752286), (24, 876143), (53, 396744), (61, 344712), (106, 198372), (122, 172356), (159, 132248), (183, 114904), (212, 99186), (244, 86178), (271, 77592), (318, 66124), (366, 57452), (424, 49593), (488, 43089), (542, 38796), (636, 33062), (732, 28726), (813, 25864), (1084, 19398), (1272, 16531), (1464, 14363), (1626, 12932), (2168, 9699), (3233, 6504), (3252, 6466)]