21031360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:294

約数の個数: 112

約数和(自身を含む): 58887360

約数和(自身を除く): 37856000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 64, 70, 80, 82, 112, 140, 160, 164, 205, 224, 229, 280, 287, 320, 328, 410, 448, 458, 560, 574, 656, 820, 916, 1120, 1145, 1148, 1312, 1435, 1603, 1640, 1832, 2240, 2290, 2296, 2624, 2870, 3206, 3280, 3664, 4580, 4592, 5740, 6412, 6560, 7328, 8015, 9160, 9184, 9389, 11480, 12824, 13120, 14656, 16030, 18320, 18368, 18778, 22960, 25648, 32060, 36640, 37556, 45920, 46945, 51296, 64120, 65723, 73280, 75112, 91840, 93890, 102592, 128240, 131446, 150224, 187780, 256480, 262892, 300448, 328615, 375560, 512960, 525784, 600896, 657230, 751120, 1051568, 1314460, 1502240, 2103136, 2628920, 3004480, 4206272, 5257840, 10515680, 21031360]

約数ペア:

[(1, 21031360), (2, 10515680), (4, 5257840), (5, 4206272), (7, 3004480), (8, 2628920), (10, 2103136), (14, 1502240), (16, 1314460), (20, 1051568), (28, 751120), (32, 657230), (35, 600896), (40, 525784), (41, 512960), (56, 375560), (64, 328615), (70, 300448), (80, 262892), (82, 256480), (112, 187780), (140, 150224), (160, 131446), (164, 128240), (205, 102592), (224, 93890), (229, 91840), (280, 75112), (287, 73280), (320, 65723), (328, 64120), (410, 51296), (448, 46945), (458, 45920), (560, 37556), (574, 36640), (656, 32060), (820, 25648), (916, 22960), (1120, 18778), (1145, 18368), (1148, 18320), (1312, 16030), (1435, 14656), (1603, 13120), (1640, 12824), (1832, 11480), (2240, 9389), (2290, 9184), (2296, 9160), (2624, 8015), (2870, 7328), (3206, 6560), (3280, 6412), (3664, 5740), (4580, 4592)]