21420334076

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7617473}}^1$

素因数の和:7617533

約数の個数: 24

約数和(自身を含む): 40524961680

約数和(自身を除く): 19104627604

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 7617473, 15234946, 30469892, 144731987, 281846501, 289463974, 563693002, 578927948, 1127386004, 5355083519, 10710167038, 21420334076]

約数ペア:

[(1, 21420334076), (2, 10710167038), (4, 5355083519), (19, 1127386004), (37, 578927948), (38, 563693002), (74, 289463974), (76, 281846501), (148, 144731987), (703, 30469892), (1406, 15234946), (2812, 7617473)]