21245224

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1$

素因数の和:423

約数の個数: 96

約数和(自身を含む): 54583200

約数和(自身を除く): 33337976

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 49, 52, 56, 77, 88, 91, 98, 104, 143, 154, 182, 196, 286, 308, 364, 379, 392, 539, 572, 616, 637, 728, 758, 1001, 1078, 1144, 1274, 1516, 2002, 2156, 2548, 2653, 3032, 4004, 4169, 4312, 4927, 5096, 5306, 7007, 8008, 8338, 9854, 10612, 14014, 16676, 18571, 19708, 21224, 28028, 29183, 33352, 34489, 37142, 39416, 54197, 56056, 58366, 68978, 74284, 108394, 116732, 137956, 148568, 204281, 216788, 233464, 241423, 275912, 379379, 408562, 433576, 482846, 758758, 817124, 965692, 1517516, 1634248, 1931384, 2655653, 3035032, 5311306, 10622612, 21245224]

約数ペア:

[(1, 21245224), (2, 10622612), (4, 5311306), (7, 3035032), (8, 2655653), (11, 1931384), (13, 1634248), (14, 1517516), (22, 965692), (26, 817124), (28, 758758), (44, 482846), (49, 433576), (52, 408562), (56, 379379), (77, 275912), (88, 241423), (91, 233464), (98, 216788), (104, 204281), (143, 148568), (154, 137956), (182, 116732), (196, 108394), (286, 74284), (308, 68978), (364, 58366), (379, 56056), (392, 54197), (539, 39416), (572, 37142), (616, 34489), (637, 33352), (728, 29183), (758, 28028), (1001, 21224), (1078, 19708), (1144, 18571), (1274, 16676), (1516, 14014), (2002, 10612), (2156, 9854), (2548, 8338), (2653, 8008), (3032, 7007), (4004, 5306), (4169, 5096), (4312, 4927)]