21724326

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{353}}^1$

素因数の和:637

約数の個数: 48

約数和(自身を含む): 51026976

約数和(自身を除く): 29302650

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 263, 353, 526, 706, 789, 1059, 1578, 2118, 2367, 3177, 3419, 4589, 4734, 6354, 6838, 9178, 10257, 13767, 20514, 27534, 30771, 41301, 61542, 82602, 92839, 185678, 278517, 557034, 835551, 1206907, 1671102, 2413814, 3620721, 7241442, 10862163, 21724326]

約数ペア:

[(1, 21724326), (2, 10862163), (3, 7241442), (6, 3620721), (9, 2413814), (13, 1671102), (18, 1206907), (26, 835551), (39, 557034), (78, 278517), (117, 185678), (234, 92839), (263, 82602), (353, 61542), (526, 41301), (706, 30771), (789, 27534), (1059, 20514), (1578, 13767), (2118, 10257), (2367, 9178), (3177, 6838), (3419, 6354), (4589, 4734)]