21000368634

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{153991}}^1$

素因数の和:154211

約数の個数: 64

約数和(自身を含む): 51090849792

約数和(自身を除く): 30090481158

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 191, 238, 357, 382, 573, 714, 1146, 1337, 2674, 3247, 4011, 6494, 8022, 9741, 19482, 22729, 45458, 68187, 136374, 153991, 307982, 461973, 923946, 1077937, 2155874, 2617847, 3233811, 5235694, 6467622, 7853541, 15707082, 18324929, 29412281, 36649858, 54974787, 58824562, 88236843, 109949574, 176473686, 205885967, 411771934, 500008777, 617657901, 1000017554, 1235315802, 1500026331, 3000052662, 3500061439, 7000122878, 10500184317, 21000368634]

約数ペア:

[(1, 21000368634), (2, 10500184317), (3, 7000122878), (6, 3500061439), (7, 3000052662), (14, 1500026331), (17, 1235315802), (21, 1000017554), (34, 617657901), (42, 500008777), (51, 411771934), (102, 205885967), (119, 176473686), (191, 109949574), (238, 88236843), (357, 58824562), (382, 54974787), (573, 36649858), (714, 29412281), (1146, 18324929), (1337, 15707082), (2674, 7853541), (3247, 6467622), (4011, 5235694), (6494, 3233811), (8022, 2617847), (9741, 2155874), (19482, 1077937), (22729, 923946), (45458, 461973), (68187, 307982), (136374, 153991)]