21007712

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1613}}^1$

素因数の和:1671

約数の個数: 48

約数和(自身を含む): 46366992

約数和(自身を除く): 25359280

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 74, 88, 148, 176, 296, 352, 407, 592, 814, 1184, 1613, 1628, 3226, 3256, 6452, 6512, 12904, 13024, 17743, 25808, 35486, 51616, 59681, 70972, 119362, 141944, 238724, 283888, 477448, 567776, 656491, 954896, 1312982, 1909792, 2625964, 5251928, 10503856, 21007712]

約数ペア:

[(1, 21007712), (2, 10503856), (4, 5251928), (8, 2625964), (11, 1909792), (16, 1312982), (22, 954896), (32, 656491), (37, 567776), (44, 477448), (74, 283888), (88, 238724), (148, 141944), (176, 119362), (296, 70972), (352, 59681), (407, 51616), (592, 35486), (814, 25808), (1184, 17743), (1613, 13024), (1628, 12904), (3226, 6512), (3256, 6452)]