21880451630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1\times {\mathrm{4253}}^1$

素因数の和:4901

約数の個数: 64

約数和(自身を含む): 42572806848

約数和(自身を除く): 20692355218

約数列:

[1, 2, 5, 10, 17, 34, 53, 85, 106, 170, 265, 530, 571, 901, 1142, 1802, 2855, 4253, 4505, 5710, 8506, 9010, 9707, 19414, 21265, 30263, 42530, 48535, 60526, 72301, 97070, 144602, 151315, 225409, 302630, 361505, 450818, 514471, 723010, 1028942, 1127045, 2254090, 2428463, 2572355, 3831953, 4856926, 5144710, 7663906, 12142315, 19159765, 24284630, 38319530, 41283871, 82567742, 128708539, 206419355, 257417078, 412838710, 643542695, 1287085390, 2188045163, 4376090326, 10940225815, 21880451630]

約数ペア:

[(1, 21880451630), (2, 10940225815), (5, 4376090326), (10, 2188045163), (17, 1287085390), (34, 643542695), (53, 412838710), (85, 257417078), (106, 206419355), (170, 128708539), (265, 82567742), (530, 41283871), (571, 38319530), (901, 24284630), (1142, 19159765), (1802, 12142315), (2855, 7663906), (4253, 5144710), (4505, 4856926), (5710, 3831953), (8506, 2572355), (9010, 2428463), (9707, 2254090), (19414, 1127045), (21265, 1028942), (30263, 723010), (42530, 514471), (48535, 450818), (60526, 361505), (72301, 302630), (97070, 225409), (144602, 151315)]