21448112

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10079}}^1$

素因数の和:10113

約数の個数: 40

約数和(自身を含む): 49996800

約数和(自身を除く): 28548688

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 10079, 20158, 40316, 70553, 80632, 141106, 161264, 191501, 282212, 383002, 564424, 766004, 1128848, 1340507, 1532008, 2681014, 3064016, 5362028, 10724056, 21448112]

約数ペア:

[(1, 21448112), (2, 10724056), (4, 5362028), (7, 3064016), (8, 2681014), (14, 1532008), (16, 1340507), (19, 1128848), (28, 766004), (38, 564424), (56, 383002), (76, 282212), (112, 191501), (133, 161264), (152, 141106), (266, 80632), (304, 70553), (532, 40316), (1064, 20158), (2128, 10079)]