21896370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1091}}^1$

素因数の和:1327

約数の個数: 48

約数和(自身を含む): 57238272

約数和(自身を除く): 35341902

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 223, 446, 669, 1091, 1115, 1338, 2007, 2182, 2230, 3273, 3345, 4014, 5455, 6546, 6690, 9819, 10035, 10910, 16365, 19638, 20070, 32730, 49095, 98190, 243293, 486586, 729879, 1216465, 1459758, 2189637, 2432930, 3649395, 4379274, 7298790, 10948185, 21896370]

約数ペア:

[(1, 21896370), (2, 10948185), (3, 7298790), (5, 4379274), (6, 3649395), (9, 2432930), (10, 2189637), (15, 1459758), (18, 1216465), (30, 729879), (45, 486586), (90, 243293), (223, 98190), (446, 49095), (669, 32730), (1091, 20070), (1115, 19638), (1338, 16365), (2007, 10910), (2182, 10035), (2230, 9819), (3273, 6690), (3345, 6546), (4014, 5455)]