21625170

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:384

約数の個数: 96

約数和(自身を含む): 61855488

約数和(自身を除く): 40230318

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 49, 70, 94, 98, 105, 141, 147, 210, 235, 245, 282, 294, 313, 329, 470, 490, 626, 658, 705, 735, 939, 987, 1410, 1470, 1565, 1645, 1878, 1974, 2191, 2303, 3130, 3290, 4382, 4606, 4695, 4935, 6573, 6909, 9390, 9870, 10955, 11515, 13146, 13818, 14711, 15337, 21910, 23030, 29422, 30674, 32865, 34545, 44133, 46011, 65730, 69090, 73555, 76685, 88266, 92022, 102977, 147110, 153370, 205954, 220665, 230055, 308931, 441330, 460110, 514885, 617862, 720839, 1029770, 1441678, 1544655, 2162517, 3089310, 3604195, 4325034, 7208390, 10812585, 21625170]

約数ペア:

[(1, 21625170), (2, 10812585), (3, 7208390), (5, 4325034), (6, 3604195), (7, 3089310), (10, 2162517), (14, 1544655), (15, 1441678), (21, 1029770), (30, 720839), (35, 617862), (42, 514885), (47, 460110), (49, 441330), (70, 308931), (94, 230055), (98, 220665), (105, 205954), (141, 153370), (147, 147110), (210, 102977), (235, 92022), (245, 88266), (282, 76685), (294, 73555), (313, 69090), (329, 65730), (470, 46011), (490, 44133), (626, 34545), (658, 32865), (705, 30674), (735, 29422), (939, 23030), (987, 21910), (1410, 15337), (1470, 14711), (1565, 13818), (1645, 13146), (1878, 11515), (1974, 10955), (2191, 9870), (2303, 9390), (3130, 6909), (3290, 6573), (4382, 4935), (4606, 4695)]