21836250

素因数分解:

$2^1\times 3^3\times 5^4\times {\mathrm{647}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 60730560

約数和(自身を除く): 38894310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 125, 135, 150, 225, 250, 270, 375, 450, 625, 647, 675, 750, 1125, 1250, 1294, 1350, 1875, 1941, 2250, 3235, 3375, 3750, 3882, 5625, 5823, 6470, 6750, 9705, 11250, 11646, 16175, 16875, 17469, 19410, 29115, 32350, 33750, 34938, 48525, 58230, 80875, 87345, 97050, 145575, 161750, 174690, 242625, 291150, 404375, 436725, 485250, 727875, 808750, 873450, 1213125, 1455750, 2183625, 2426250, 3639375, 4367250, 7278750, 10918125, 21836250]

約数ペア:

[(1, 21836250), (2, 10918125), (3, 7278750), (5, 4367250), (6, 3639375), (9, 2426250), (10, 2183625), (15, 1455750), (18, 1213125), (25, 873450), (27, 808750), (30, 727875), (45, 485250), (50, 436725), (54, 404375), (75, 291150), (90, 242625), (125, 174690), (135, 161750), (150, 145575), (225, 97050), (250, 87345), (270, 80875), (375, 58230), (450, 48525), (625, 34938), (647, 33750), (675, 32350), (750, 29115), (1125, 19410), (1250, 17469), (1294, 16875), (1350, 16175), (1875, 11646), (1941, 11250), (2250, 9705), (3235, 6750), (3375, 6470), (3750, 5823), (3882, 5625)]