21683610

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:500

約数の個数: 96

約数和(自身を含む): 62270208

約数和(自身を除く): 40586598

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 43, 45, 65, 78, 86, 90, 117, 129, 130, 195, 215, 234, 258, 387, 390, 430, 431, 559, 585, 645, 774, 862, 1118, 1170, 1290, 1293, 1677, 1935, 2155, 2586, 2795, 3354, 3870, 3879, 4310, 5031, 5590, 5603, 6465, 7758, 8385, 10062, 11206, 12930, 16770, 16809, 18533, 19395, 25155, 28015, 33618, 37066, 38790, 50310, 50427, 55599, 56030, 84045, 92665, 100854, 111198, 166797, 168090, 185330, 240929, 252135, 277995, 333594, 481858, 504270, 555990, 722787, 833985, 1204645, 1445574, 1667970, 2168361, 2409290, 3613935, 4336722, 7227870, 10841805, 21683610]

約数ペア:

[(1, 21683610), (2, 10841805), (3, 7227870), (5, 4336722), (6, 3613935), (9, 2409290), (10, 2168361), (13, 1667970), (15, 1445574), (18, 1204645), (26, 833985), (30, 722787), (39, 555990), (43, 504270), (45, 481858), (65, 333594), (78, 277995), (86, 252135), (90, 240929), (117, 185330), (129, 168090), (130, 166797), (195, 111198), (215, 100854), (234, 92665), (258, 84045), (387, 56030), (390, 55599), (430, 50427), (431, 50310), (559, 38790), (585, 37066), (645, 33618), (774, 28015), (862, 25155), (1118, 19395), (1170, 18533), (1290, 16809), (1293, 16770), (1677, 12930), (1935, 11206), (2155, 10062), (2586, 8385), (2795, 7758), (3354, 6465), (3870, 5603), (3879, 5590), (4310, 5031)]