21873256

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{953}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 43502400

約数和(自身を除く): 21629144

約数列:

[1, 2, 4, 8, 19, 38, 76, 151, 152, 302, 604, 953, 1208, 1906, 2869, 3812, 5738, 7624, 11476, 18107, 22952, 36214, 72428, 143903, 144856, 287806, 575612, 1151224, 2734157, 5468314, 10936628, 21873256]

約数ペア:

[(1, 21873256), (2, 10936628), (4, 5468314), (8, 2734157), (19, 1151224), (38, 575612), (76, 287806), (151, 144856), (152, 143903), (302, 72428), (604, 36214), (953, 22952), (1208, 18107), (1906, 11476), (2869, 7624), (3812, 5738)]