21101040

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9769}}^1$

素因数の和:9791

約数の個数: 80

約数和(自身を含む): 72688800

約数和(自身を除く): 51587760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9769, 19538, 29307, 39076, 48845, 58614, 78152, 87921, 97690, 117228, 146535, 156304, 175842, 195380, 234456, 263763, 293070, 351684, 390760, 439605, 468912, 527526, 586140, 703368, 781520, 879210, 1055052, 1172280, 1318815, 1406736, 1758420, 2110104, 2344560, 2637630, 3516840, 4220208, 5275260, 7033680, 10550520, 21101040]

約数ペア:

[(1, 21101040), (2, 10550520), (3, 7033680), (4, 5275260), (5, 4220208), (6, 3516840), (8, 2637630), (9, 2344560), (10, 2110104), (12, 1758420), (15, 1406736), (16, 1318815), (18, 1172280), (20, 1055052), (24, 879210), (27, 781520), (30, 703368), (36, 586140), (40, 527526), (45, 468912), (48, 439605), (54, 390760), (60, 351684), (72, 293070), (80, 263763), (90, 234456), (108, 195380), (120, 175842), (135, 156304), (144, 146535), (180, 117228), (216, 97690), (240, 87921), (270, 78152), (360, 58614), (432, 48845), (540, 39076), (720, 29307), (1080, 19538), (2160, 9769)]