21904484514

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1\times {\mathrm{887}}^1$

素因数の和:1388

約数の個数: 128

約数和(自身を含む): 51557990400

約数和(自身を除く): 29653505886

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 47, 57, 66, 94, 114, 141, 209, 282, 418, 419, 517, 627, 838, 887, 893, 1034, 1254, 1257, 1551, 1774, 1786, 2514, 2661, 2679, 3102, 4609, 5322, 5358, 7961, 9218, 9757, 9823, 13827, 15922, 16853, 19514, 19646, 19693, 23883, 27654, 29271, 29469, 33706, 39386, 41689, 47766, 50559, 58542, 58938, 59079, 83378, 87571, 101118, 118158, 125067, 175142, 185383, 216623, 250134, 262713, 370766, 371653, 374167, 433246, 458579, 525426, 556149, 649869, 743306, 748334, 792091, 917158, 1112298, 1114959, 1122501, 1299738, 1375737, 1584182, 2229918, 2245002, 2376273, 2751474, 4088183, 4115837, 4752546, 7061407, 8176366, 8231674, 8713001, 12264549, 12347511, 14122814, 17426002, 17467691, 21184221, 24529098, 24695022, 26139003, 34935382, 42368442, 52278006, 52403073, 77675477, 104806146, 155350954, 192144601, 233026431, 331886129, 384289202, 466052862, 576433803, 663772258, 995658387, 1152867606, 1991316774, 3650747419, 7301494838, 10952242257, 21904484514]

約数ペア:

[(1, 21904484514), (2, 10952242257), (3, 7301494838), (6, 3650747419), (11, 1991316774), (19, 1152867606), (22, 995658387), (33, 663772258), (38, 576433803), (47, 466052862), (57, 384289202), (66, 331886129), (94, 233026431), (114, 192144601), (141, 155350954), (209, 104806146), (282, 77675477), (418, 52403073), (419, 52278006), (517, 42368442), (627, 34935382), (838, 26139003), (887, 24695022), (893, 24529098), (1034, 21184221), (1254, 17467691), (1257, 17426002), (1551, 14122814), (1774, 12347511), (1786, 12264549), (2514, 8713001), (2661, 8231674), (2679, 8176366), (3102, 7061407), (4609, 4752546), (5322, 4115837), (5358, 4088183), (7961, 2751474), (9218, 2376273), (9757, 2245002), (9823, 2229918), (13827, 1584182), (15922, 1375737), (16853, 1299738), (19514, 1122501), (19646, 1114959), (19693, 1112298), (23883, 917158), (27654, 792091), (29271, 748334), (29469, 743306), (33706, 649869), (39386, 556149), (41689, 525426), (47766, 458579), (50559, 433246), (58542, 374167), (58938, 371653), (59079, 370766), (83378, 262713), (87571, 250134), (101118, 216623), (118158, 185383), (125067, 175142)]