21300378

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{4421}}^1$

素因数の和:4510

約数の個数: 32

約数和(自身を含む): 47120832

約数和(自身を除く): 25820454

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 73, 146, 219, 438, 803, 1606, 2409, 4421, 4818, 8842, 13263, 26526, 48631, 97262, 145893, 291786, 322733, 645466, 968199, 1936398, 3550063, 7100126, 10650189, 21300378]

約数ペア:

[(1, 21300378), (2, 10650189), (3, 7100126), (6, 3550063), (11, 1936398), (22, 968199), (33, 645466), (66, 322733), (73, 291786), (146, 145893), (219, 97262), (438, 48631), (803, 26526), (1606, 13263), (2409, 8842), (4421, 4818)]