21097920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21977}}^1$

素因数の和:21997

約数の個数: 56

約数和(自身を含む): 66988944

約数和(自身を除く): 45891024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 21977, 43954, 65931, 87908, 109885, 131862, 175816, 219770, 263724, 329655, 351632, 439540, 527448, 659310, 703264, 879080, 1054896, 1318620, 1406528, 1758160, 2109792, 2637240, 3516320, 4219584, 5274480, 7032640, 10548960, 21097920]

約数ペア:

[(1, 21097920), (2, 10548960), (3, 7032640), (4, 5274480), (5, 4219584), (6, 3516320), (8, 2637240), (10, 2109792), (12, 1758160), (15, 1406528), (16, 1318620), (20, 1054896), (24, 879080), (30, 703264), (32, 659310), (40, 527448), (48, 439540), (60, 351632), (64, 329655), (80, 263724), (96, 219770), (120, 175816), (160, 131862), (192, 109885), (240, 87908), (320, 65931), (480, 43954), (960, 21977)]