21012390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33353}}^1$

素因数の和:33373

約数の個数: 48

約数和(自身を含む): 62438688

約数和(自身を除く): 41426298

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33353, 66706, 100059, 166765, 200118, 233471, 300177, 333530, 466942, 500295, 600354, 700413, 1000590, 1167355, 1400826, 1500885, 2101239, 2334710, 3001770, 3502065, 4202478, 7004130, 10506195, 21012390]

約数ペア:

[(1, 21012390), (2, 10506195), (3, 7004130), (5, 4202478), (6, 3502065), (7, 3001770), (9, 2334710), (10, 2101239), (14, 1500885), (15, 1400826), (18, 1167355), (21, 1000590), (30, 700413), (35, 600354), (42, 500295), (45, 466942), (63, 333530), (70, 300177), (90, 233471), (105, 200118), (126, 166765), (210, 100059), (315, 66706), (630, 33353)]