21246736

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11159}}^1$

素因数の和:11191

約数の個数: 40

約数和(自身を含む): 49818240

約数和(自身を除く): 28571504

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 11159, 22318, 44636, 78113, 89272, 156226, 178544, 189703, 312452, 379406, 624904, 758812, 1249808, 1327921, 1517624, 2655842, 3035248, 5311684, 10623368, 21246736]

約数ペア:

[(1, 21246736), (2, 10623368), (4, 5311684), (7, 3035248), (8, 2655842), (14, 1517624), (16, 1327921), (17, 1249808), (28, 758812), (34, 624904), (56, 379406), (68, 312452), (112, 189703), (119, 178544), (136, 156226), (238, 89272), (272, 78113), (476, 44636), (952, 22318), (1904, 11159)]