21469448

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 33688312

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, 383, 392, 539, 572, 616, 637, 728, 766, 1001, 1078, 1144, 1274, 1532, 2002, 2156, 2548, 2681, 3064, 4004, 4213, 4312, 4979, 5096, 5362, 7007, 8008, 8426, 9958, 10724, 14014, 16852, 18767, 19916, 21448, 28028, 29491, 33704, 34853, 37534, 39832, 54769, 56056, 58982, 69706, 75068, 109538, 117964, 139412, 150136, 206437, 219076, 235928, 243971, 278824, 383383, 412874, 438152, 487942, 766766, 825748, 975884, 1533532, 1651496, 1951768, 2683681, 3067064, 5367362, 10734724, 21469448]

約数ペア:

[(1, 21469448), (2, 10734724), (4, 5367362), (7, 3067064), (8, 2683681), (11, 1951768), (13, 1651496), (14, 1533532), (22, 975884), (26, 825748), (28, 766766), (44, 487942), (49, 438152), (52, 412874), (56, 383383), (77, 278824), (88, 243971), (91, 235928), (98, 219076), (104, 206437), (143, 150136), (154, 139412), (182, 117964), (196, 109538), (286, 75068), (308, 69706), (364, 58982), (383, 56056), (392, 54769), (539, 39832), (572, 37534), (616, 34853), (637, 33704), (728, 29491), (766, 28028), (1001, 21448), (1078, 19916), (1144, 18767), (1274, 16852), (1532, 14014), (2002, 10724), (2156, 9958), (2548, 8426), (2681, 8008), (3064, 7007), (4004, 5362), (4213, 5096), (4312, 4979)]