21957210

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7393}}^1$

素因数の和:7420

約数の個数: 64

約数和(自身を含む): 63884160

約数和(自身を除く): 41926950

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 135, 165, 198, 270, 297, 330, 495, 594, 990, 1485, 2970, 7393, 14786, 22179, 36965, 44358, 66537, 73930, 81323, 110895, 133074, 162646, 199611, 221790, 243969, 332685, 399222, 406615, 487938, 665370, 731907, 813230, 998055, 1219845, 1463814, 1996110, 2195721, 2439690, 3659535, 4391442, 7319070, 10978605, 21957210]

約数ペア:

[(1, 21957210), (2, 10978605), (3, 7319070), (5, 4391442), (6, 3659535), (9, 2439690), (10, 2195721), (11, 1996110), (15, 1463814), (18, 1219845), (22, 998055), (27, 813230), (30, 731907), (33, 665370), (45, 487938), (54, 406615), (55, 399222), (66, 332685), (90, 243969), (99, 221790), (110, 199611), (135, 162646), (165, 133074), (198, 110895), (270, 81323), (297, 73930), (330, 66537), (495, 44358), (594, 36965), (990, 22179), (1485, 14786), (2970, 7393)]