21386862

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1951}}^1$

素因数の和:1998

約数の個数: 64

約数和(自身を含む): 56217600

約数和(自身を除く): 34830738

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 54, 58, 63, 87, 126, 174, 189, 203, 261, 378, 406, 522, 609, 783, 1218, 1566, 1827, 1951, 3654, 3902, 5481, 5853, 10962, 11706, 13657, 17559, 27314, 35118, 40971, 52677, 56579, 81942, 105354, 113158, 122913, 169737, 245826, 339474, 368739, 396053, 509211, 737478, 792106, 1018422, 1188159, 1527633, 2376318, 3055266, 3564477, 7128954, 10693431, 21386862]

約数ペア:

[(1, 21386862), (2, 10693431), (3, 7128954), (6, 3564477), (7, 3055266), (9, 2376318), (14, 1527633), (18, 1188159), (21, 1018422), (27, 792106), (29, 737478), (42, 509211), (54, 396053), (58, 368739), (63, 339474), (87, 245826), (126, 169737), (174, 122913), (189, 113158), (203, 105354), (261, 81942), (378, 56579), (406, 52677), (522, 40971), (609, 35118), (783, 27314), (1218, 17559), (1566, 13657), (1827, 11706), (1951, 10962), (3654, 5853), (3902, 5481)]