21596996

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 42336000

約数和(自身を除く): 20739004

約数列:

[1, 2, 4, 19, 29, 38, 41, 58, 76, 82, 116, 164, 239, 478, 551, 779, 956, 1102, 1189, 1558, 2204, 2378, 3116, 4541, 4756, 6931, 9082, 9799, 13862, 18164, 19598, 22591, 27724, 39196, 45182, 90364, 131689, 186181, 263378, 284171, 372362, 526756, 568342, 744724, 1136684, 5399249, 10798498, 21596996]

約数ペア:

[(1, 21596996), (2, 10798498), (4, 5399249), (19, 1136684), (29, 744724), (38, 568342), (41, 526756), (58, 372362), (76, 284171), (82, 263378), (116, 186181), (164, 131689), (239, 90364), (478, 45182), (551, 39196), (779, 27724), (956, 22591), (1102, 19598), (1189, 18164), (1558, 13862), (2204, 9799), (2378, 9082), (3116, 6931), (4541, 4756)]