21201120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14723}}^1$

素因数の和:14744

約数の個数: 72

約数和(自身を含む): 72353736

約数和(自身を除く): 51152616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14723, 29446, 44169, 58892, 73615, 88338, 117784, 132507, 147230, 176676, 220845, 235568, 265014, 294460, 353352, 441690, 471136, 530028, 588920, 662535, 706704, 883380, 1060056, 1177840, 1325070, 1413408, 1766760, 2120112, 2355680, 2650140, 3533520, 4240224, 5300280, 7067040, 10600560, 21201120]

約数ペア:

[(1, 21201120), (2, 10600560), (3, 7067040), (4, 5300280), (5, 4240224), (6, 3533520), (8, 2650140), (9, 2355680), (10, 2120112), (12, 1766760), (15, 1413408), (16, 1325070), (18, 1177840), (20, 1060056), (24, 883380), (30, 706704), (32, 662535), (36, 588920), (40, 530028), (45, 471136), (48, 441690), (60, 353352), (72, 294460), (80, 265014), (90, 235568), (96, 220845), (120, 176676), (144, 147230), (160, 132507), (180, 117784), (240, 88338), (288, 73615), (360, 58892), (480, 44169), (720, 29446), (1440, 14723)]