21074730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:132

約数の個数: 96

約数和(自身を含む): 56624832

約数和(自身を除く): 35550102

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 31, 34, 43, 51, 62, 85, 86, 93, 102, 129, 155, 170, 186, 215, 255, 258, 310, 430, 465, 510, 527, 645, 731, 930, 961, 1054, 1290, 1333, 1462, 1581, 1922, 2193, 2635, 2666, 2883, 3162, 3655, 3999, 4386, 4805, 5270, 5766, 6665, 7310, 7905, 7998, 9610, 10965, 13330, 14415, 15810, 16337, 19995, 21930, 22661, 28830, 32674, 39990, 41323, 45322, 49011, 67983, 81685, 82646, 98022, 113305, 123969, 135966, 163370, 206615, 226610, 245055, 247938, 339915, 413230, 490110, 619845, 679830, 702491, 1239690, 1404982, 2107473, 3512455, 4214946, 7024910, 10537365, 21074730]

約数ペア:

[(1, 21074730), (2, 10537365), (3, 7024910), (5, 4214946), (6, 3512455), (10, 2107473), (15, 1404982), (17, 1239690), (30, 702491), (31, 679830), (34, 619845), (43, 490110), (51, 413230), (62, 339915), (85, 247938), (86, 245055), (93, 226610), (102, 206615), (129, 163370), (155, 135966), (170, 123969), (186, 113305), (215, 98022), (255, 82646), (258, 81685), (310, 67983), (430, 49011), (465, 45322), (510, 41323), (527, 39990), (645, 32674), (731, 28830), (930, 22661), (961, 21930), (1054, 19995), (1290, 16337), (1333, 15810), (1462, 14415), (1581, 13330), (1922, 10965), (2193, 9610), (2635, 7998), (2666, 7905), (2883, 7310), (3162, 6665), (3655, 5766), (3999, 5270), (4386, 4805)]