21109512

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1669}}^1$

素因数の和:1726

約数の個数: 64

約数和(自身を含む): 57715200

約数和(自身を除く): 36605688

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 31, 34, 51, 62, 68, 93, 102, 124, 136, 186, 204, 248, 372, 408, 527, 744, 1054, 1581, 1669, 2108, 3162, 3338, 4216, 5007, 6324, 6676, 10014, 12648, 13352, 20028, 28373, 40056, 51739, 56746, 85119, 103478, 113492, 155217, 170238, 206956, 226984, 310434, 340476, 413912, 620868, 680952, 879563, 1241736, 1759126, 2638689, 3518252, 5277378, 7036504, 10554756, 21109512]

約数ペア:

[(1, 21109512), (2, 10554756), (3, 7036504), (4, 5277378), (6, 3518252), (8, 2638689), (12, 1759126), (17, 1241736), (24, 879563), (31, 680952), (34, 620868), (51, 413912), (62, 340476), (68, 310434), (93, 226984), (102, 206956), (124, 170238), (136, 155217), (186, 113492), (204, 103478), (248, 85119), (372, 56746), (408, 51739), (527, 40056), (744, 28373), (1054, 20028), (1581, 13352), (1669, 12648), (2108, 10014), (3162, 6676), (3338, 6324), (4216, 5007)]