21898104

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^2\times {\mathrm{181}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 55833960

約数和(自身を除く): 33935856

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 181, 213, 284, 362, 426, 543, 568, 724, 852, 1086, 1448, 1704, 2172, 4344, 5041, 10082, 12851, 15123, 20164, 25702, 30246, 38553, 40328, 51404, 60492, 77106, 102808, 120984, 154212, 308424, 912421, 1824842, 2737263, 3649684, 5474526, 7299368, 10949052, 21898104]

約数ペア:

[(1, 21898104), (2, 10949052), (3, 7299368), (4, 5474526), (6, 3649684), (8, 2737263), (12, 1824842), (24, 912421), (71, 308424), (142, 154212), (181, 120984), (213, 102808), (284, 77106), (362, 60492), (426, 51404), (543, 40328), (568, 38553), (724, 30246), (852, 25702), (1086, 20164), (1448, 15123), (1704, 12851), (2172, 10082), (4344, 5041)]