21836075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{269}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 28926720

約数和(自身を除く): 7090645

約数列:

[1, 5, 17, 25, 85, 191, 269, 425, 955, 1345, 3247, 4573, 4775, 6725, 16235, 22865, 51379, 81175, 114325, 256895, 873443, 1284475, 4367215, 21836075]

約数ペア:

[(1, 21836075), (5, 4367215), (17, 1284475), (25, 873443), (85, 256895), (191, 114325), (269, 81175), (425, 51379), (955, 22865), (1345, 16235), (3247, 6725), (4573, 4775)]