21898830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{373}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 56010240

約数和(自身を除く): 34111410

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 103, 114, 190, 206, 285, 309, 373, 515, 570, 618, 746, 1030, 1119, 1545, 1865, 1957, 2238, 3090, 3730, 3914, 5595, 5871, 7087, 9785, 11190, 11742, 14174, 19570, 21261, 29355, 35435, 38419, 42522, 58710, 70870, 76838, 106305, 115257, 192095, 212610, 230514, 384190, 576285, 729961, 1152570, 1459922, 2189883, 3649805, 4379766, 7299610, 10949415, 21898830]

約数ペア:

[(1, 21898830), (2, 10949415), (3, 7299610), (5, 4379766), (6, 3649805), (10, 2189883), (15, 1459922), (19, 1152570), (30, 729961), (38, 576285), (57, 384190), (95, 230514), (103, 212610), (114, 192095), (190, 115257), (206, 106305), (285, 76838), (309, 70870), (373, 58710), (515, 42522), (570, 38419), (618, 35435), (746, 29355), (1030, 21261), (1119, 19570), (1545, 14174), (1865, 11742), (1957, 11190), (2238, 9785), (3090, 7087), (3730, 5871), (3914, 5595)]