21102240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43963}}^1$

素因数の和:43981

約数の個数: 48

約数和(自身を含む): 66473568

約数和(自身を除く): 45371328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 43963, 87926, 131889, 175852, 219815, 263778, 351704, 439630, 527556, 659445, 703408, 879260, 1055112, 1318890, 1406816, 1758520, 2110224, 2637780, 3517040, 4220448, 5275560, 7034080, 10551120, 21102240]

約数ペア:

[(1, 21102240), (2, 10551120), (3, 7034080), (4, 5275560), (5, 4220448), (6, 3517040), (8, 2637780), (10, 2110224), (12, 1758520), (15, 1406816), (16, 1318890), (20, 1055112), (24, 879260), (30, 703408), (32, 659445), (40, 527556), (48, 439630), (60, 351704), (80, 263778), (96, 219815), (120, 175852), (160, 131889), (240, 87926), (480, 43963)]