21053616

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{25801}}^1$

素因数の和:25829

約数の個数: 40

約数和(自身を含む): 57590064

約数和(自身を除く): 36536448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 25801, 51602, 77403, 103204, 154806, 206408, 309612, 412816, 438617, 619224, 877234, 1238448, 1315851, 1754468, 2631702, 3508936, 5263404, 7017872, 10526808, 21053616]

約数ペア:

[(1, 21053616), (2, 10526808), (3, 7017872), (4, 5263404), (6, 3508936), (8, 2631702), (12, 1754468), (16, 1315851), (17, 1238448), (24, 877234), (34, 619224), (48, 438617), (51, 412816), (68, 309612), (102, 206408), (136, 154806), (204, 103204), (272, 77403), (408, 51602), (816, 25801)]