21152488

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1307}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 48186720

約数和(自身を除く): 27034232

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 289, 476, 578, 952, 1156, 1307, 2023, 2312, 2614, 4046, 5228, 8092, 9149, 10456, 16184, 18298, 22219, 36596, 44438, 73192, 88876, 155533, 177752, 311066, 377723, 622132, 755446, 1244264, 1510892, 2644061, 3021784, 5288122, 10576244, 21152488]

約数ペア:

[(1, 21152488), (2, 10576244), (4, 5288122), (7, 3021784), (8, 2644061), (14, 1510892), (17, 1244264), (28, 755446), (34, 622132), (56, 377723), (68, 311066), (119, 177752), (136, 155533), (238, 88876), (289, 73192), (476, 44438), (578, 36596), (952, 22219), (1156, 18298), (1307, 16184), (2023, 10456), (2312, 9149), (2614, 8092), (4046, 5228)]