21409380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{967}}^1$

素因数の和:1026

約数の個数: 96

約数和(自身を含む): 68302080

約数和(自身を除く): 46892700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 45, 54, 60, 82, 90, 108, 123, 135, 164, 180, 205, 246, 270, 369, 410, 492, 540, 615, 738, 820, 967, 1107, 1230, 1476, 1845, 1934, 2214, 2460, 2901, 3690, 3868, 4428, 4835, 5535, 5802, 7380, 8703, 9670, 11070, 11604, 14505, 17406, 19340, 22140, 26109, 29010, 34812, 39647, 43515, 52218, 58020, 79294, 87030, 104436, 118941, 130545, 158588, 174060, 198235, 237882, 261090, 356823, 396470, 475764, 522180, 594705, 713646, 792940, 1070469, 1189410, 1427292, 1784115, 2140938, 2378820, 3568230, 4281876, 5352345, 7136460, 10704690, 21409380]

約数ペア:

[(1, 21409380), (2, 10704690), (3, 7136460), (4, 5352345), (5, 4281876), (6, 3568230), (9, 2378820), (10, 2140938), (12, 1784115), (15, 1427292), (18, 1189410), (20, 1070469), (27, 792940), (30, 713646), (36, 594705), (41, 522180), (45, 475764), (54, 396470), (60, 356823), (82, 261090), (90, 237882), (108, 198235), (123, 174060), (135, 158588), (164, 130545), (180, 118941), (205, 104436), (246, 87030), (270, 79294), (369, 58020), (410, 52218), (492, 43515), (540, 39647), (615, 34812), (738, 29010), (820, 26109), (967, 22140), (1107, 19340), (1230, 17406), (1476, 14505), (1845, 11604), (1934, 11070), (2214, 9670), (2460, 8703), (2901, 7380), (3690, 5802), (3868, 5535), (4428, 4835)]