21972735

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3463}}^1$

素因数の和:3524

約数の個数: 32

約数和(自身を含む): 39905280

約数和(自身を除く): 17932545

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2115, 3463, 6345, 10389, 17315, 31167, 51945, 93501, 155835, 162761, 467505, 488283, 813805, 1464849, 2441415, 4394547, 7324245, 21972735]

約数ペア:

[(1, 21972735), (3, 7324245), (5, 4394547), (9, 2441415), (15, 1464849), (27, 813805), (45, 488283), (47, 467505), (135, 162761), (141, 155835), (235, 93501), (423, 51945), (705, 31167), (1269, 17315), (2115, 10389), (3463, 6345)]