21482065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 30176640

約数和(自身を除く): 8694575

約数列:

[1, 5, 11, 19, 55, 61, 95, 209, 305, 337, 671, 1045, 1159, 1685, 3355, 3707, 5795, 6403, 12749, 18535, 20557, 32015, 63745, 70433, 102785, 226127, 352165, 390583, 1130635, 1952915, 4296413, 21482065]

約数ペア:

[(1, 21482065), (5, 4296413), (11, 1952915), (19, 1130635), (55, 390583), (61, 352165), (95, 226127), (209, 102785), (305, 70433), (337, 63745), (671, 32015), (1045, 20557), (1159, 18535), (1685, 12749), (3355, 6403), (3707, 5795)]