21092512

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:254

約数の個数: 96

約数和(自身を含む): 52254720

約数和(自身を除く): 31162208

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 29, 32, 34, 56, 58, 68, 112, 116, 119, 136, 191, 203, 224, 232, 238, 272, 382, 406, 464, 476, 493, 544, 764, 812, 928, 952, 986, 1337, 1528, 1624, 1904, 1972, 2674, 3056, 3247, 3248, 3451, 3808, 3944, 5348, 5539, 6112, 6494, 6496, 6902, 7888, 10696, 11078, 12988, 13804, 15776, 21392, 22156, 22729, 25976, 27608, 38773, 42784, 44312, 45458, 51952, 55216, 77546, 88624, 90916, 94163, 103904, 110432, 155092, 177248, 181832, 188326, 310184, 363664, 376652, 620368, 659141, 727328, 753304, 1240736, 1318282, 1506608, 2636564, 3013216, 5273128, 10546256, 21092512]

約数ペア:

[(1, 21092512), (2, 10546256), (4, 5273128), (7, 3013216), (8, 2636564), (14, 1506608), (16, 1318282), (17, 1240736), (28, 753304), (29, 727328), (32, 659141), (34, 620368), (56, 376652), (58, 363664), (68, 310184), (112, 188326), (116, 181832), (119, 177248), (136, 155092), (191, 110432), (203, 103904), (224, 94163), (232, 90916), (238, 88624), (272, 77546), (382, 55216), (406, 51952), (464, 45458), (476, 44312), (493, 42784), (544, 38773), (764, 27608), (812, 25976), (928, 22729), (952, 22156), (986, 21392), (1337, 15776), (1528, 13804), (1624, 12988), (1904, 11078), (1972, 10696), (2674, 7888), (3056, 6902), (3247, 6496), (3248, 6494), (3451, 6112), (3808, 5539), (3944, 5348)]