21214242

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1667}}^1$

素因数の和:1783

約数の個数: 48

約数和(自身を含む): 53082432

約数和(自身を除く): 31868190

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 101, 126, 202, 303, 606, 707, 909, 1414, 1667, 1818, 2121, 3334, 4242, 5001, 6363, 10002, 11669, 12726, 15003, 23338, 30006, 35007, 70014, 105021, 168367, 210042, 336734, 505101, 1010202, 1178569, 1515303, 2357138, 3030606, 3535707, 7071414, 10607121, 21214242]

約数ペア:

[(1, 21214242), (2, 10607121), (3, 7071414), (6, 3535707), (7, 3030606), (9, 2357138), (14, 1515303), (18, 1178569), (21, 1010202), (42, 505101), (63, 336734), (101, 210042), (126, 168367), (202, 105021), (303, 70014), (606, 35007), (707, 30006), (909, 23338), (1414, 15003), (1667, 12726), (1818, 11669), (2121, 10002), (3334, 6363), (4242, 5001)]