21843549

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 39312000

約数和(自身を除く): 17468451

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 149, 179, 273, 447, 537, 819, 1043, 1253, 1341, 1611, 1937, 2327, 3129, 3759, 5811, 6981, 9387, 11277, 13559, 16289, 17433, 20943, 26671, 40677, 48867, 80013, 122031, 146601, 186697, 240039, 346723, 560091, 1040169, 1680273, 2427061, 3120507, 7281183, 21843549]

約数ペア:

[(1, 21843549), (3, 7281183), (7, 3120507), (9, 2427061), (13, 1680273), (21, 1040169), (39, 560091), (63, 346723), (91, 240039), (117, 186697), (149, 146601), (179, 122031), (273, 80013), (447, 48867), (537, 40677), (819, 26671), (1043, 20943), (1253, 17433), (1341, 16289), (1611, 13559), (1937, 11277), (2327, 9387), (3129, 6981), (3759, 5811)]