21455038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 36652032

約数和(自身を除く): 15196994

約数列:

[1, 2, 11, 22, 31, 62, 163, 193, 326, 341, 386, 682, 1793, 2123, 3586, 4246, 5053, 5983, 10106, 11966, 31459, 55583, 62918, 65813, 111166, 131626, 346049, 692098, 975229, 1950458, 10727519, 21455038]

約数ペア:

[(1, 21455038), (2, 10727519), (11, 1950458), (22, 975229), (31, 692098), (62, 346049), (163, 131626), (193, 111166), (326, 65813), (341, 62918), (386, 55583), (682, 31459), (1793, 11966), (2123, 10106), (3586, 5983), (4246, 5053)]