21965400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{12203}}^1$

素因数の和:12225

約数の個数: 72

約数和(自身を含む): 73773180

約数和(自身を除く): 51807780

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 12203, 24406, 36609, 48812, 61015, 73218, 97624, 109827, 122030, 146436, 183045, 219654, 244060, 292872, 305075, 366090, 439308, 488120, 549135, 610150, 732180, 878616, 915225, 1098270, 1220300, 1464360, 1830450, 2196540, 2440600, 2745675, 3660900, 4393080, 5491350, 7321800, 10982700, 21965400]

約数ペア:

[(1, 21965400), (2, 10982700), (3, 7321800), (4, 5491350), (5, 4393080), (6, 3660900), (8, 2745675), (9, 2440600), (10, 2196540), (12, 1830450), (15, 1464360), (18, 1220300), (20, 1098270), (24, 915225), (25, 878616), (30, 732180), (36, 610150), (40, 549135), (45, 488120), (50, 439308), (60, 366090), (72, 305075), (75, 292872), (90, 244060), (100, 219654), (120, 183045), (150, 146436), (180, 122030), (200, 109827), (225, 97624), (300, 73218), (360, 61015), (450, 48812), (600, 36609), (900, 24406), (1800, 12203)]