21025104

素因数分解:

$2^4\times 3^1\times {\mathrm{127}}^1\times {\mathrm{3449}}^1$

素因数の和:3587

約数の個数: 40

約数和(自身を含む): 54758400

約数和(自身を除く): 33733296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 127, 254, 381, 508, 762, 1016, 1524, 2032, 3048, 3449, 6096, 6898, 10347, 13796, 20694, 27592, 41388, 55184, 82776, 165552, 438023, 876046, 1314069, 1752092, 2628138, 3504184, 5256276, 7008368, 10512552, 21025104]

約数ペア:

[(1, 21025104), (2, 10512552), (3, 7008368), (4, 5256276), (6, 3504184), (8, 2628138), (12, 1752092), (16, 1314069), (24, 876046), (48, 438023), (127, 165552), (254, 82776), (381, 55184), (508, 41388), (762, 27592), (1016, 20694), (1524, 13796), (2032, 10347), (3048, 6898), (3449, 6096)]