21194824

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 48614400

約数和(自身を除く): 27419576

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 31, 56, 58, 62, 116, 124, 203, 217, 232, 248, 406, 421, 434, 812, 842, 868, 899, 1624, 1684, 1736, 1798, 2947, 3368, 3596, 5894, 6293, 7192, 11788, 12209, 12586, 13051, 23576, 24418, 25172, 26102, 48836, 50344, 52204, 85463, 91357, 97672, 104408, 170926, 182714, 341852, 365428, 378479, 683704, 730856, 756958, 1513916, 2649353, 3027832, 5298706, 10597412, 21194824]

約数ペア:

[(1, 21194824), (2, 10597412), (4, 5298706), (7, 3027832), (8, 2649353), (14, 1513916), (28, 756958), (29, 730856), (31, 683704), (56, 378479), (58, 365428), (62, 341852), (116, 182714), (124, 170926), (203, 104408), (217, 97672), (232, 91357), (248, 85463), (406, 52204), (421, 50344), (434, 48836), (812, 26102), (842, 25172), (868, 24418), (899, 23576), (1624, 13051), (1684, 12586), (1736, 12209), (1798, 11788), (2947, 7192), (3368, 6293), (3596, 5894)]