21013221372

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{7417}}^1$

素因数の和:7588

約数の個数: 144

約数和(自身を含む): 58383101952

約数和(自身を除く): 37369880580

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 127, 132, 143, 156, 169, 254, 286, 338, 381, 429, 507, 508, 572, 676, 762, 858, 1014, 1397, 1524, 1651, 1716, 1859, 2028, 2794, 3302, 3718, 4191, 4953, 5577, 5588, 6604, 7417, 7436, 8382, 9906, 11154, 14834, 16764, 18161, 19812, 21463, 22251, 22308, 29668, 36322, 42926, 44502, 54483, 64389, 72644, 81587, 85852, 89004, 96421, 108966, 128778, 163174, 192842, 217932, 236093, 244761, 257556, 289263, 326348, 385684, 472186, 489522, 578526, 708279, 941959, 944372, 979044, 1060631, 1157052, 1253473, 1416558, 1883918, 2121262, 2506946, 2825877, 2833116, 3181893, 3760419, 3767836, 4242524, 5013892, 5651754, 6363786, 7520838, 10361549, 11303508, 12245467, 12727572, 13788203, 15041676, 20723098, 24490934, 27576406, 31084647, 36736401, 41364609, 41446196, 48981868, 55152812, 62169294, 73472802, 82729218, 124338588, 134700137, 146945604, 159191071, 165458436, 269400274, 318382142, 404100411, 477573213, 538800548, 636764284, 808200822, 955146426, 1616401644, 1751101781, 1910292852, 3502203562, 5253305343, 7004407124, 10506610686, 21013221372]

約数ペア:

[(1, 21013221372), (2, 10506610686), (3, 7004407124), (4, 5253305343), (6, 3502203562), (11, 1910292852), (12, 1751101781), (13, 1616401644), (22, 955146426), (26, 808200822), (33, 636764284), (39, 538800548), (44, 477573213), (52, 404100411), (66, 318382142), (78, 269400274), (127, 165458436), (132, 159191071), (143, 146945604), (156, 134700137), (169, 124338588), (254, 82729218), (286, 73472802), (338, 62169294), (381, 55152812), (429, 48981868), (507, 41446196), (508, 41364609), (572, 36736401), (676, 31084647), (762, 27576406), (858, 24490934), (1014, 20723098), (1397, 15041676), (1524, 13788203), (1651, 12727572), (1716, 12245467), (1859, 11303508), (2028, 10361549), (2794, 7520838), (3302, 6363786), (3718, 5651754), (4191, 5013892), (4953, 4242524), (5577, 3767836), (5588, 3760419), (6604, 3181893), (7417, 2833116), (7436, 2825877), (8382, 2506946), (9906, 2121262), (11154, 1883918), (14834, 1416558), (16764, 1253473), (18161, 1157052), (19812, 1060631), (21463, 979044), (22251, 944372), (22308, 941959), (29668, 708279), (36322, 578526), (42926, 489522), (44502, 472186), (54483, 385684), (64389, 326348), (72644, 289263), (81587, 257556), (85852, 244761), (89004, 236093), (96421, 217932), (108966, 192842), (128778, 163174)]