21223890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{78607}}^1$

素因数の和:78623

約数の個数: 32

約数和(自身を含む): 56597760

約数和(自身を除く): 35373870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 78607, 157214, 235821, 393035, 471642, 707463, 786070, 1179105, 1414926, 2122389, 2358210, 3537315, 4244778, 7074630, 10611945, 21223890]

約数ペア:

[(1, 21223890), (2, 10611945), (3, 7074630), (5, 4244778), (6, 3537315), (9, 2358210), (10, 2122389), (15, 1414926), (18, 1179105), (27, 786070), (30, 707463), (45, 471642), (54, 393035), (90, 235821), (135, 157214), (270, 78607)]