21398970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31013}}^1$

素因数の和:31046

約数の個数: 32

約数和(自身を含む): 53592192

約数和(自身を除く): 32193222

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 31013, 62026, 93039, 155065, 186078, 310130, 465195, 713299, 930390, 1426598, 2139897, 3566495, 4279794, 7132990, 10699485, 21398970]

約数ペア:

[(1, 21398970), (2, 10699485), (3, 7132990), (5, 4279794), (6, 3566495), (10, 2139897), (15, 1426598), (23, 930390), (30, 713299), (46, 465195), (69, 310130), (115, 186078), (138, 155065), (230, 93039), (345, 62026), (690, 31013)]