21344115

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4759}}^1$

素因数の和:4803

約数の個数: 32

約数和(自身を含む): 38384640

約数和(自身を除く): 17040525

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 4759, 14277, 23795, 61867, 71385, 109457, 185601, 309335, 328371, 547285, 928005, 1422941, 1641855, 4268823, 7114705, 21344115]

約数ペア:

[(1, 21344115), (3, 7114705), (5, 4268823), (13, 1641855), (15, 1422941), (23, 928005), (39, 547285), (65, 328371), (69, 309335), (115, 185601), (195, 109457), (299, 71385), (345, 61867), (897, 23795), (1495, 14277), (4485, 4759)]