21099804

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 58060800

約数和(自身を除く): 36960996

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 47, 57, 66, 76, 94, 114, 132, 141, 179, 188, 209, 228, 282, 358, 418, 517, 537, 564, 627, 716, 836, 893, 1034, 1074, 1254, 1551, 1786, 1969, 2068, 2148, 2508, 2679, 3102, 3401, 3572, 3938, 5358, 5907, 6204, 6802, 7876, 8413, 9823, 10203, 10716, 11814, 13604, 16826, 19646, 20406, 23628, 25239, 29469, 33652, 37411, 39292, 40812, 50478, 58938, 74822, 92543, 100956, 112233, 117876, 149644, 159847, 185086, 224466, 277629, 319694, 370172, 448932, 479541, 555258, 639388, 959082, 1110516, 1758317, 1918164, 3516634, 5274951, 7033268, 10549902, 21099804]

約数ペア:

[(1, 21099804), (2, 10549902), (3, 7033268), (4, 5274951), (6, 3516634), (11, 1918164), (12, 1758317), (19, 1110516), (22, 959082), (33, 639388), (38, 555258), (44, 479541), (47, 448932), (57, 370172), (66, 319694), (76, 277629), (94, 224466), (114, 185086), (132, 159847), (141, 149644), (179, 117876), (188, 112233), (209, 100956), (228, 92543), (282, 74822), (358, 58938), (418, 50478), (517, 40812), (537, 39292), (564, 37411), (627, 33652), (716, 29469), (836, 25239), (893, 23628), (1034, 20406), (1074, 19646), (1254, 16826), (1551, 13604), (1786, 11814), (1969, 10716), (2068, 10203), (2148, 9823), (2508, 8413), (2679, 7876), (3102, 6802), (3401, 6204), (3572, 5907), (3938, 5358)]