21192930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21407}}^1$

素因数の和:21431

約数の個数: 48

約数和(自身を含む): 60113664

約数和(自身を除く): 38920734

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 21407, 42814, 64221, 107035, 128442, 192663, 214070, 235477, 321105, 385326, 470954, 642210, 706431, 963315, 1177385, 1412862, 1926630, 2119293, 2354770, 3532155, 4238586, 7064310, 10596465, 21192930]

約数ペア:

[(1, 21192930), (2, 10596465), (3, 7064310), (5, 4238586), (6, 3532155), (9, 2354770), (10, 2119293), (11, 1926630), (15, 1412862), (18, 1177385), (22, 963315), (30, 706431), (33, 642210), (45, 470954), (55, 385326), (66, 321105), (90, 235477), (99, 214070), (110, 192663), (165, 128442), (198, 107035), (330, 64221), (495, 42814), (990, 21407)]