21827364

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 56568960

約数和(自身を除く): 34741596

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 141, 156, 169, 188, 229, 282, 338, 458, 507, 564, 611, 676, 687, 916, 1014, 1222, 1374, 1833, 2028, 2444, 2748, 2977, 3666, 5954, 7332, 7943, 8931, 10763, 11908, 15886, 17862, 21526, 23829, 31772, 32289, 35724, 38701, 43052, 47658, 64578, 77402, 95316, 116103, 129156, 139919, 154804, 232206, 279838, 419757, 464412, 559676, 839514, 1679028, 1818947, 3637894, 5456841, 7275788, 10913682, 21827364]

約数ペア:

[(1, 21827364), (2, 10913682), (3, 7275788), (4, 5456841), (6, 3637894), (12, 1818947), (13, 1679028), (26, 839514), (39, 559676), (47, 464412), (52, 419757), (78, 279838), (94, 232206), (141, 154804), (156, 139919), (169, 129156), (188, 116103), (229, 95316), (282, 77402), (338, 64578), (458, 47658), (507, 43052), (564, 38701), (611, 35724), (676, 32289), (687, 31772), (916, 23829), (1014, 21526), (1222, 17862), (1374, 15886), (1833, 11908), (2028, 10763), (2444, 8931), (2748, 7943), (2977, 7332), (3666, 5954)]