21601782446

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1\times {\mathrm{3623}}^1$

素因数の和:4268

約数の個数: 32

約数和(自身を含む): 33538380480

約数和(自身を除く): 11936598034

約数列:

[1, 2, 37, 74, 197, 394, 409, 818, 3623, 7246, 7289, 14578, 15133, 30266, 80573, 134051, 161146, 268102, 713731, 1427462, 1481807, 2963614, 2981201, 5962402, 26408047, 52816094, 54826859, 109653718, 291915979, 583831958, 10800891223, 21601782446]

約数ペア:

[(1, 21601782446), (2, 10800891223), (37, 583831958), (74, 291915979), (197, 109653718), (394, 54826859), (409, 52816094), (818, 26408047), (3623, 5962402), (7246, 2981201), (7289, 2963614), (14578, 1481807), (15133, 1427462), (30266, 713731), (80573, 268102), (134051, 161146)]