21801474

素因数分解:

$2^1\times 3^6\times {\mathrm{19}}^1\times {\mathrm{787}}^1$

素因数の和:826

約数の個数: 56

約数和(自身を含む): 51677040

約数和(自身を除く): 29875566

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 243, 342, 486, 513, 729, 787, 1026, 1458, 1539, 1574, 2361, 3078, 4617, 4722, 7083, 9234, 13851, 14166, 14953, 21249, 27702, 29906, 42498, 44859, 63747, 89718, 127494, 134577, 191241, 269154, 382482, 403731, 573723, 807462, 1147446, 1211193, 2422386, 3633579, 7267158, 10900737, 21801474]

約数ペア:

[(1, 21801474), (2, 10900737), (3, 7267158), (6, 3633579), (9, 2422386), (18, 1211193), (19, 1147446), (27, 807462), (38, 573723), (54, 403731), (57, 382482), (81, 269154), (114, 191241), (162, 134577), (171, 127494), (243, 89718), (342, 63747), (486, 44859), (513, 42498), (729, 29906), (787, 27702), (1026, 21249), (1458, 14953), (1539, 14166), (1574, 13851), (2361, 9234), (3078, 7083), (4617, 4722)]