21539490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{941}}^1$

素因数の和:1067

約数の個数: 64

約数和(自身を含む): 59685120

約数和(自身を除く): 38145630

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 109, 210, 218, 327, 545, 654, 763, 941, 1090, 1526, 1635, 1882, 2289, 2823, 3270, 3815, 4578, 4705, 5646, 6587, 7630, 9410, 11445, 13174, 14115, 19761, 22890, 28230, 32935, 39522, 65870, 98805, 102569, 197610, 205138, 307707, 512845, 615414, 717983, 1025690, 1435966, 1538535, 2153949, 3077070, 3589915, 4307898, 7179830, 10769745, 21539490]

約数ペア:

[(1, 21539490), (2, 10769745), (3, 7179830), (5, 4307898), (6, 3589915), (7, 3077070), (10, 2153949), (14, 1538535), (15, 1435966), (21, 1025690), (30, 717983), (35, 615414), (42, 512845), (70, 307707), (105, 205138), (109, 197610), (210, 102569), (218, 98805), (327, 65870), (545, 39522), (654, 32935), (763, 28230), (941, 22890), (1090, 19761), (1526, 14115), (1635, 13174), (1882, 11445), (2289, 9410), (2823, 7630), (3270, 6587), (3815, 5646), (4578, 4705)]