21368052

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{467}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 57238272

約数和(自身を除く): 35870220

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 41, 62, 82, 93, 123, 124, 164, 186, 246, 279, 369, 372, 467, 492, 558, 738, 934, 1116, 1271, 1401, 1476, 1868, 2542, 2802, 3813, 4203, 5084, 5604, 7626, 8406, 11439, 14477, 15252, 16812, 19147, 22878, 28954, 38294, 43431, 45756, 57441, 57908, 76588, 86862, 114882, 130293, 172323, 173724, 229764, 260586, 344646, 521172, 593557, 689292, 1187114, 1780671, 2374228, 3561342, 5342013, 7122684, 10684026, 21368052]

約数ペア:

[(1, 21368052), (2, 10684026), (3, 7122684), (4, 5342013), (6, 3561342), (9, 2374228), (12, 1780671), (18, 1187114), (31, 689292), (36, 593557), (41, 521172), (62, 344646), (82, 260586), (93, 229764), (123, 173724), (124, 172323), (164, 130293), (186, 114882), (246, 86862), (279, 76588), (369, 57908), (372, 57441), (467, 45756), (492, 43431), (558, 38294), (738, 28954), (934, 22878), (1116, 19147), (1271, 16812), (1401, 15252), (1476, 14477), (1868, 11439), (2542, 8406), (2802, 7626), (3813, 5604), (4203, 5084)]