21856275

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13877}}^1$

素因数の和:13900

約数の個数: 36

約数和(自身を含む): 44742672

約数和(自身を除く): 22886397

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 13877, 41631, 69385, 97139, 124893, 208155, 291417, 346925, 485695, 624465, 874251, 1040775, 1457085, 2428475, 3122325, 4371255, 7285425, 21856275]

約数ペア:

[(1, 21856275), (3, 7285425), (5, 4371255), (7, 3122325), (9, 2428475), (15, 1457085), (21, 1040775), (25, 874251), (35, 624465), (45, 485695), (63, 346925), (75, 291417), (105, 208155), (175, 124893), (225, 97139), (315, 69385), (525, 41631), (1575, 13877)]