21779928

素因数分解:

$2^3\times 3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 160

約数和(自身を含む): 67518000

約数和(自身を除く): 45738072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 29, 36, 38, 54, 57, 58, 61, 72, 76, 81, 87, 108, 114, 116, 122, 152, 162, 171, 174, 183, 216, 228, 232, 244, 261, 324, 342, 348, 366, 456, 488, 513, 522, 549, 551, 648, 684, 696, 732, 783, 1026, 1044, 1098, 1102, 1159, 1368, 1464, 1539, 1566, 1647, 1653, 1769, 2052, 2088, 2196, 2204, 2318, 2349, 3078, 3132, 3294, 3306, 3477, 3538, 4104, 4392, 4408, 4636, 4698, 4941, 4959, 5307, 6156, 6264, 6588, 6612, 6954, 7076, 9272, 9396, 9882, 9918, 10431, 10614, 12312, 13176, 13224, 13908, 14152, 14877, 15921, 18792, 19764, 19836, 20862, 21228, 27816, 29754, 31293, 31842, 33611, 39528, 39672, 41724, 42456, 44631, 47763, 59508, 62586, 63684, 67222, 83448, 89262, 93879, 95526, 100833, 119016, 125172, 127368, 134444, 143289, 178524, 187758, 191052, 201666, 250344, 268888, 286578, 302499, 357048, 375516, 382104, 403332, 573156, 604998, 751032, 806664, 907497, 1146312, 1209996, 1814994, 2419992, 2722491, 3629988, 5444982, 7259976, 10889964, 21779928]

約数ペア:

[(1, 21779928), (2, 10889964), (3, 7259976), (4, 5444982), (6, 3629988), (8, 2722491), (9, 2419992), (12, 1814994), (18, 1209996), (19, 1146312), (24, 907497), (27, 806664), (29, 751032), (36, 604998), (38, 573156), (54, 403332), (57, 382104), (58, 375516), (61, 357048), (72, 302499), (76, 286578), (81, 268888), (87, 250344), (108, 201666), (114, 191052), (116, 187758), (122, 178524), (152, 143289), (162, 134444), (171, 127368), (174, 125172), (183, 119016), (216, 100833), (228, 95526), (232, 93879), (244, 89262), (261, 83448), (324, 67222), (342, 63684), (348, 62586), (366, 59508), (456, 47763), (488, 44631), (513, 42456), (522, 41724), (549, 39672), (551, 39528), (648, 33611), (684, 31842), (696, 31293), (732, 29754), (783, 27816), (1026, 21228), (1044, 20862), (1098, 19836), (1102, 19764), (1159, 18792), (1368, 15921), (1464, 14877), (1539, 14152), (1566, 13908), (1647, 13224), (1653, 13176), (1769, 12312), (2052, 10614), (2088, 10431), (2196, 9918), (2204, 9882), (2318, 9396), (2349, 9272), (3078, 7076), (3132, 6954), (3294, 6612), (3306, 6588), (3477, 6264), (3538, 6156), (4104, 5307), (4392, 4959), (4408, 4941), (4636, 4698)]