21041532

素因数分解:

$2^2\times 3^4\times {\mathrm{101}}^1\times {\mathrm{643}}^1$

素因数の和:760

約数の個数: 60

約数和(自身を含む): 55637736

約数和(自身を除く): 34596204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 101, 108, 162, 202, 303, 324, 404, 606, 643, 909, 1212, 1286, 1818, 1929, 2572, 2727, 3636, 3858, 5454, 5787, 7716, 8181, 10908, 11574, 16362, 17361, 23148, 32724, 34722, 52083, 64943, 69444, 104166, 129886, 194829, 208332, 259772, 389658, 584487, 779316, 1168974, 1753461, 2337948, 3506922, 5260383, 7013844, 10520766, 21041532]

約数ペア:

[(1, 21041532), (2, 10520766), (3, 7013844), (4, 5260383), (6, 3506922), (9, 2337948), (12, 1753461), (18, 1168974), (27, 779316), (36, 584487), (54, 389658), (81, 259772), (101, 208332), (108, 194829), (162, 129886), (202, 104166), (303, 69444), (324, 64943), (404, 52083), (606, 34722), (643, 32724), (909, 23148), (1212, 17361), (1286, 16362), (1818, 11574), (1929, 10908), (2572, 8181), (2727, 7716), (3636, 5787), (3858, 5454)]