21719184

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{6373}}^1$

素因数の和:6455

約数の個数: 40

約数和(自身を含む): 56907072

約数和(自身を除く): 35187888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 142, 213, 284, 426, 568, 852, 1136, 1704, 3408, 6373, 12746, 19119, 25492, 38238, 50984, 76476, 101968, 152952, 305904, 452483, 904966, 1357449, 1809932, 2714898, 3619864, 5429796, 7239728, 10859592, 21719184]

約数ペア:

[(1, 21719184), (2, 10859592), (3, 7239728), (4, 5429796), (6, 3619864), (8, 2714898), (12, 1809932), (16, 1357449), (24, 904966), (48, 452483), (71, 305904), (142, 152952), (213, 101968), (284, 76476), (426, 50984), (568, 38238), (852, 25492), (1136, 19119), (1704, 12746), (3408, 6373)]