21183645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{881}}^1$

素因数の和:1125

約数の個数: 32

約数和(自身を含む): 38949120

約数和(自身を除く): 17765475

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 229, 687, 881, 1145, 1603, 2643, 3435, 4405, 4809, 6167, 8015, 13215, 18501, 24045, 30835, 92505, 201749, 605247, 1008745, 1412243, 3026235, 4236729, 7061215, 21183645]

約数ペア:

[(1, 21183645), (3, 7061215), (5, 4236729), (7, 3026235), (15, 1412243), (21, 1008745), (35, 605247), (105, 201749), (229, 92505), (687, 30835), (881, 24045), (1145, 18501), (1603, 13215), (2643, 8015), (3435, 6167), (4405, 4809)]