21000481488

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{20833811}}^1$

素因数の和:20833832

約数の個数: 60

約数和(自身を含む): 67168209888

約数和(自身を除く): 46167728400

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 20833811, 41667622, 62501433, 83335244, 125002866, 145836677, 166670488, 187504299, 250005732, 291673354, 333340976, 375008598, 437510031, 500011464, 583346708, 750017196, 875020062, 1000022928, 1166693416, 1312530093, 1500034392, 1750040124, 2333386832, 2625060186, 3000068784, 3500080248, 5250120372, 7000160496, 10500240744, 21000481488]

約数ペア:

[(1, 21000481488), (2, 10500240744), (3, 7000160496), (4, 5250120372), (6, 3500080248), (7, 3000068784), (8, 2625060186), (9, 2333386832), (12, 1750040124), (14, 1500034392), (16, 1312530093), (18, 1166693416), (21, 1000022928), (24, 875020062), (28, 750017196), (36, 583346708), (42, 500011464), (48, 437510031), (56, 375008598), (63, 333340976), (72, 291673354), (84, 250005732), (112, 187504299), (126, 166670488), (144, 145836677), (168, 125002866), (252, 83335244), (336, 62501433), (504, 41667622), (1008, 20833811)]