21183470728

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19909277}}^1$

素因数の和:19909309

約数の個数: 32

約数和(自身を含む): 47782267200

約数和(自身を除く): 26598796472

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19909277, 39818554, 79637108, 139364939, 159274216, 278729878, 378276263, 557459756, 756552526, 1114919512, 1513105052, 2647933841, 3026210104, 5295867682, 10591735364, 21183470728]

約数ペア:

[(1, 21183470728), (2, 10591735364), (4, 5295867682), (7, 3026210104), (8, 2647933841), (14, 1513105052), (19, 1114919512), (28, 756552526), (38, 557459756), (56, 378276263), (76, 278729878), (133, 159274216), (152, 139364939), (266, 79637108), (532, 39818554), (1064, 19909277)]