21577488

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:912

約数の個数: 80

約数和(自身を含む): 60996096

約数和(自身を除く): 39418608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 34, 48, 51, 62, 68, 93, 102, 124, 136, 186, 204, 248, 272, 372, 408, 496, 527, 744, 816, 853, 1054, 1488, 1581, 1706, 2108, 2559, 3162, 3412, 4216, 5118, 6324, 6824, 8432, 10236, 12648, 13648, 14501, 20472, 25296, 26443, 29002, 40944, 43503, 52886, 58004, 79329, 87006, 105772, 116008, 158658, 174012, 211544, 232016, 317316, 348024, 423088, 449531, 634632, 696048, 899062, 1269264, 1348593, 1798124, 2697186, 3596248, 5394372, 7192496, 10788744, 21577488]

約数ペア:

[(1, 21577488), (2, 10788744), (3, 7192496), (4, 5394372), (6, 3596248), (8, 2697186), (12, 1798124), (16, 1348593), (17, 1269264), (24, 899062), (31, 696048), (34, 634632), (48, 449531), (51, 423088), (62, 348024), (68, 317316), (93, 232016), (102, 211544), (124, 174012), (136, 158658), (186, 116008), (204, 105772), (248, 87006), (272, 79329), (372, 58004), (408, 52886), (496, 43503), (527, 40944), (744, 29002), (816, 26443), (853, 25296), (1054, 20472), (1488, 14501), (1581, 13648), (1706, 12648), (2108, 10236), (2559, 8432), (3162, 6824), (3412, 6324), (4216, 5118)]