21146748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4127}}^1$

素因数の和:4202

約数の個数: 48

約数和(自身を含む): 57329664

約数和(自身を除く): 36182916

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 366, 427, 732, 854, 1281, 1708, 2562, 4127, 5124, 8254, 12381, 16508, 24762, 28889, 49524, 57778, 86667, 115556, 173334, 251747, 346668, 503494, 755241, 1006988, 1510482, 1762229, 3020964, 3524458, 5286687, 7048916, 10573374, 21146748]

約数ペア:

[(1, 21146748), (2, 10573374), (3, 7048916), (4, 5286687), (6, 3524458), (7, 3020964), (12, 1762229), (14, 1510482), (21, 1006988), (28, 755241), (42, 503494), (61, 346668), (84, 251747), (122, 173334), (183, 115556), (244, 86667), (366, 57778), (427, 49524), (732, 28889), (854, 24762), (1281, 16508), (1708, 12381), (2562, 8254), (4127, 5124)]