21060240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87751}}^1$

素因数の和:87767

約数の個数: 40

約数和(自身を含む): 65287488

約数和(自身を除く): 44227248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87751, 175502, 263253, 351004, 438755, 526506, 702008, 877510, 1053012, 1316265, 1404016, 1755020, 2106024, 2632530, 3510040, 4212048, 5265060, 7020080, 10530120, 21060240]

約数ペア:

[(1, 21060240), (2, 10530120), (3, 7020080), (4, 5265060), (5, 4212048), (6, 3510040), (8, 2632530), (10, 2106024), (12, 1755020), (15, 1404016), (16, 1316265), (20, 1053012), (24, 877510), (30, 702008), (40, 526506), (48, 438755), (60, 351004), (80, 263253), (120, 175502), (240, 87751)]