21003018

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{6353}}^1$

素因数の和:6406

約数の個数: 32

約数和(自身を含む): 45748800

約数和(自身を除く): 24745782

約数列:

[1, 2, 3, 6, 19, 29, 38, 57, 58, 87, 114, 174, 551, 1102, 1653, 3306, 6353, 12706, 19059, 38118, 120707, 184237, 241414, 362121, 368474, 552711, 724242, 1105422, 3500503, 7001006, 10501509, 21003018]

約数ペア:

[(1, 21003018), (2, 10501509), (3, 7001006), (6, 3500503), (19, 1105422), (29, 724242), (38, 552711), (57, 368474), (58, 362121), (87, 241414), (114, 184237), (174, 120707), (551, 38118), (1102, 19059), (1653, 12706), (3306, 6353)]