21787264770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{87721}}^1$

素因数の和:88235

約数の個数: 64

約数和(自身を含む): 55479603456

約数和(自身を除く): 33692338686

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 487, 510, 974, 1461, 2435, 2922, 4870, 7305, 8279, 14610, 16558, 24837, 41395, 49674, 82790, 87721, 124185, 175442, 248370, 263163, 438605, 526326, 877210, 1315815, 1491257, 2631630, 2982514, 4473771, 7456285, 8947542, 14912570, 22368855, 42720127, 44737710, 85440254, 128160381, 213600635, 256320762, 427201270, 640801905, 726242159, 1281603810, 1452484318, 2178726477, 3631210795, 4357452954, 7262421590, 10893632385, 21787264770]

約数ペア:

[(1, 21787264770), (2, 10893632385), (3, 7262421590), (5, 4357452954), (6, 3631210795), (10, 2178726477), (15, 1452484318), (17, 1281603810), (30, 726242159), (34, 640801905), (51, 427201270), (85, 256320762), (102, 213600635), (170, 128160381), (255, 85440254), (487, 44737710), (510, 42720127), (974, 22368855), (1461, 14912570), (2435, 8947542), (2922, 7456285), (4870, 4473771), (7305, 2982514), (8279, 2631630), (14610, 1491257), (16558, 1315815), (24837, 877210), (41395, 526326), (49674, 438605), (82790, 263163), (87721, 248370), (124185, 175442)]