21787444848

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{40087}}^1$

素因数の和:40191

約数の個数: 120

約数和(自身を含む): 61858028928

約数和(自身を除く): 40070584080

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 67, 78, 104, 134, 156, 169, 201, 208, 268, 312, 338, 402, 507, 536, 624, 676, 804, 871, 1014, 1072, 1352, 1608, 1742, 2028, 2613, 2704, 3216, 3484, 4056, 5226, 6968, 8112, 10452, 11323, 13936, 20904, 22646, 33969, 40087, 41808, 45292, 67938, 80174, 90584, 120261, 135876, 160348, 181168, 240522, 271752, 320696, 481044, 521131, 543504, 641392, 962088, 1042262, 1563393, 1924176, 2084524, 2685829, 3126786, 4169048, 5371658, 6253572, 6774703, 8057487, 8338096, 10743316, 12507144, 13549406, 16114974, 20324109, 21486632, 25014288, 27098812, 32229948, 34915777, 40648218, 42973264, 54197624, 64459896, 69831554, 81296436, 104747331, 108395248, 128919792, 139663108, 162592872, 209494662, 279326216, 325185744, 418989324, 453905101, 558652432, 837978648, 907810202, 1361715303, 1675957296, 1815620404, 2723430606, 3631240808, 5446861212, 7262481616, 10893722424, 21787444848]

約数ペア:

[(1, 21787444848), (2, 10893722424), (3, 7262481616), (4, 5446861212), (6, 3631240808), (8, 2723430606), (12, 1815620404), (13, 1675957296), (16, 1361715303), (24, 907810202), (26, 837978648), (39, 558652432), (48, 453905101), (52, 418989324), (67, 325185744), (78, 279326216), (104, 209494662), (134, 162592872), (156, 139663108), (169, 128919792), (201, 108395248), (208, 104747331), (268, 81296436), (312, 69831554), (338, 64459896), (402, 54197624), (507, 42973264), (536, 40648218), (624, 34915777), (676, 32229948), (804, 27098812), (871, 25014288), (1014, 21486632), (1072, 20324109), (1352, 16114974), (1608, 13549406), (1742, 12507144), (2028, 10743316), (2613, 8338096), (2704, 8057487), (3216, 6774703), (3484, 6253572), (4056, 5371658), (5226, 4169048), (6968, 3126786), (8112, 2685829), (10452, 2084524), (11323, 1924176), (13936, 1563393), (20904, 1042262), (22646, 962088), (33969, 641392), (40087, 543504), (41808, 521131), (45292, 481044), (67938, 320696), (80174, 271752), (90584, 240522), (120261, 181168), (135876, 160348)]