21551535

素因数分解:

$3^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{607}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 38522880

約数和(自身を除く): 16971345

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 263, 607, 789, 1315, 1821, 2367, 3035, 3945, 5463, 7101, 9105, 11835, 16389, 27315, 35505, 81945, 159641, 478923, 798205, 1436769, 2394615, 4310307, 7183845, 21551535]

約数ペア:

[(1, 21551535), (3, 7183845), (5, 4310307), (9, 2394615), (15, 1436769), (27, 798205), (45, 478923), (135, 159641), (263, 81945), (607, 35505), (789, 27315), (1315, 16389), (1821, 11835), (2367, 9105), (3035, 7101), (3945, 5463)]