21724482

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4157}}^1$

素因数の和:4242

約数の個数: 32

約数和(自身を含む): 47500992

約数和(自身を除く): 25776510

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 402, 871, 1742, 2613, 4157, 5226, 8314, 12471, 24942, 54041, 108082, 162123, 278519, 324246, 557038, 835557, 1671114, 3620747, 7241494, 10862241, 21724482]

約数ペア:

[(1, 21724482), (2, 10862241), (3, 7241494), (6, 3620747), (13, 1671114), (26, 835557), (39, 557038), (67, 324246), (78, 278519), (134, 162123), (201, 108082), (402, 54041), (871, 24942), (1742, 12471), (2613, 8314), (4157, 5226)]