21678372

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^2\times {\mathrm{113}}^1$

素因数の和:269

約数の個数: 54

約数和(自身を含む): 56050722

約数和(自身を除く): 34372350

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 113, 146, 219, 226, 292, 339, 438, 452, 657, 678, 876, 1017, 1314, 1356, 2034, 2628, 4068, 5329, 8249, 10658, 15987, 16498, 21316, 24747, 31974, 32996, 47961, 49494, 63948, 74241, 95922, 98988, 148482, 191844, 296964, 602177, 1204354, 1806531, 2408708, 3613062, 5419593, 7226124, 10839186, 21678372]

約数ペア:

[(1, 21678372), (2, 10839186), (3, 7226124), (4, 5419593), (6, 3613062), (9, 2408708), (12, 1806531), (18, 1204354), (36, 602177), (73, 296964), (113, 191844), (146, 148482), (219, 98988), (226, 95922), (292, 74241), (339, 63948), (438, 49494), (452, 47961), (657, 32996), (678, 31974), (876, 24747), (1017, 21316), (1314, 16498), (1356, 15987), (2034, 10658), (2628, 8249), (4068, 5329)]