21636090

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:644

約数の個数: 96

約数和(自身を含む): 65460096

約数和(自身を除く): 43824006

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 61, 63, 70, 90, 105, 122, 126, 183, 210, 305, 315, 366, 427, 549, 563, 610, 630, 854, 915, 1098, 1126, 1281, 1689, 1830, 2135, 2562, 2745, 2815, 3378, 3843, 3941, 4270, 5067, 5490, 5630, 6405, 7686, 7882, 8445, 10134, 11823, 12810, 16890, 19215, 19705, 23646, 25335, 34343, 35469, 38430, 39410, 50670, 59115, 68686, 70938, 103029, 118230, 171715, 177345, 206058, 240401, 309087, 343430, 354690, 480802, 515145, 618174, 721203, 1030290, 1202005, 1442406, 1545435, 2163609, 2404010, 3090870, 3606015, 4327218, 7212030, 10818045, 21636090]

約数ペア:

[(1, 21636090), (2, 10818045), (3, 7212030), (5, 4327218), (6, 3606015), (7, 3090870), (9, 2404010), (10, 2163609), (14, 1545435), (15, 1442406), (18, 1202005), (21, 1030290), (30, 721203), (35, 618174), (42, 515145), (45, 480802), (61, 354690), (63, 343430), (70, 309087), (90, 240401), (105, 206058), (122, 177345), (126, 171715), (183, 118230), (210, 103029), (305, 70938), (315, 68686), (366, 59115), (427, 50670), (549, 39410), (563, 38430), (610, 35469), (630, 34343), (854, 25335), (915, 23646), (1098, 19705), (1126, 19215), (1281, 16890), (1689, 12810), (1830, 11823), (2135, 10134), (2562, 8445), (2745, 7882), (2815, 7686), (3378, 6405), (3843, 5630), (3941, 5490), (4270, 5067)]