21000460074

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1\times {\mathrm{449}}^1$

素因数の和:788

約数の個数: 128

約数和(自身を含む): 47869056000

約数和(自身を除く): 26868595926

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 107, 111, 179, 214, 222, 321, 358, 407, 449, 537, 642, 814, 898, 1074, 1177, 1221, 1347, 1969, 2354, 2442, 2694, 3531, 3938, 3959, 4939, 5907, 6623, 7062, 7918, 9878, 11814, 11877, 13246, 14817, 16613, 19153, 19869, 23754, 29634, 33226, 38306, 39738, 43549, 48043, 49839, 57459, 72853, 80371, 87098, 96086, 99678, 114918, 130647, 144129, 145706, 160742, 182743, 210683, 218559, 241113, 261294, 288258, 365486, 421366, 437118, 482226, 528473, 548229, 632049, 708661, 884081, 1056946, 1096458, 1264098, 1417322, 1585419, 1768162, 1777591, 2125983, 2652243, 2973727, 3170838, 3555182, 4251966, 5304486, 5332773, 5947454, 7795271, 8599697, 8921181, 10665546, 15590542, 17199394, 17842362, 19553501, 23385813, 25799091, 32710997, 39107002, 46771626, 51598182, 58660503, 65421994, 94596667, 98132991, 117321006, 189193334, 196265982, 283790001, 318188789, 567580002, 636377578, 954566367, 1909132734, 3500076679, 7000153358, 10500230037, 21000460074]

約数ペア:

[(1, 21000460074), (2, 10500230037), (3, 7000153358), (6, 3500076679), (11, 1909132734), (22, 954566367), (33, 636377578), (37, 567580002), (66, 318188789), (74, 283790001), (107, 196265982), (111, 189193334), (179, 117321006), (214, 98132991), (222, 94596667), (321, 65421994), (358, 58660503), (407, 51598182), (449, 46771626), (537, 39107002), (642, 32710997), (814, 25799091), (898, 23385813), (1074, 19553501), (1177, 17842362), (1221, 17199394), (1347, 15590542), (1969, 10665546), (2354, 8921181), (2442, 8599697), (2694, 7795271), (3531, 5947454), (3938, 5332773), (3959, 5304486), (4939, 4251966), (5907, 3555182), (6623, 3170838), (7062, 2973727), (7918, 2652243), (9878, 2125983), (11814, 1777591), (11877, 1768162), (13246, 1585419), (14817, 1417322), (16613, 1264098), (19153, 1096458), (19869, 1056946), (23754, 884081), (29634, 708661), (33226, 632049), (38306, 548229), (39738, 528473), (43549, 482226), (48043, 437118), (49839, 421366), (57459, 365486), (72853, 288258), (80371, 261294), (87098, 241113), (96086, 218559), (99678, 210683), (114918, 182743), (130647, 160742), (144129, 145706)]