21365082

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{349}}^1$

素因数の和:555

約数の個数: 48

約数和(自身を含む): 49140000

約数和(自身を除く): 27774918

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 179, 342, 349, 358, 537, 698, 1047, 1074, 1611, 2094, 3141, 3222, 3401, 6282, 6631, 6802, 10203, 13262, 19893, 20406, 30609, 39786, 59679, 61218, 62471, 119358, 124942, 187413, 374826, 562239, 1124478, 1186949, 2373898, 3560847, 7121694, 10682541, 21365082]

約数ペア:

[(1, 21365082), (2, 10682541), (3, 7121694), (6, 3560847), (9, 2373898), (18, 1186949), (19, 1124478), (38, 562239), (57, 374826), (114, 187413), (171, 124942), (179, 119358), (342, 62471), (349, 61218), (358, 59679), (537, 39786), (698, 30609), (1047, 20406), (1074, 19893), (1611, 13262), (2094, 10203), (3141, 6802), (3222, 6631), (3401, 6282)]