21523950

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{6833}}^1$

素因数の和:6858

約数の個数: 72

約数和(自身を含む): 66098448

約数和(自身を除く): 44574498

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 6833, 13666, 20499, 34165, 40998, 47831, 61497, 68330, 95662, 102495, 122994, 143493, 170825, 204990, 239155, 286986, 307485, 341650, 430479, 478310, 512475, 614970, 717465, 860958, 1024950, 1195775, 1434930, 1537425, 2152395, 2391550, 3074850, 3587325, 4304790, 7174650, 10761975, 21523950]

約数ペア:

[(1, 21523950), (2, 10761975), (3, 7174650), (5, 4304790), (6, 3587325), (7, 3074850), (9, 2391550), (10, 2152395), (14, 1537425), (15, 1434930), (18, 1195775), (21, 1024950), (25, 860958), (30, 717465), (35, 614970), (42, 512475), (45, 478310), (50, 430479), (63, 341650), (70, 307485), (75, 286986), (90, 239155), (105, 204990), (126, 170825), (150, 143493), (175, 122994), (210, 102495), (225, 95662), (315, 68330), (350, 61497), (450, 47831), (525, 40998), (630, 34165), (1050, 20499), (1575, 13666), (3150, 6833)]