21494634

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{647}}^1$

素因数の和:779

約数の個数: 48

約数和(自身を含む): 50528448

約数和(自身を除く): 29033814

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 113, 147, 226, 294, 339, 647, 678, 791, 1294, 1582, 1941, 2373, 3882, 4529, 4746, 5537, 9058, 11074, 13587, 16611, 27174, 31703, 33222, 63406, 73111, 95109, 146222, 190218, 219333, 438666, 511777, 1023554, 1535331, 3070662, 3582439, 7164878, 10747317, 21494634]

約数ペア:

[(1, 21494634), (2, 10747317), (3, 7164878), (6, 3582439), (7, 3070662), (14, 1535331), (21, 1023554), (42, 511777), (49, 438666), (98, 219333), (113, 190218), (147, 146222), (226, 95109), (294, 73111), (339, 63406), (647, 33222), (678, 31703), (791, 27174), (1294, 16611), (1582, 13587), (1941, 11074), (2373, 9058), (3882, 5537), (4529, 4746)]