21936870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3433}}^1$

素因数の和:3517

約数の個数: 48

約数和(自身を含む): 57856032

約数和(自身を除く): 35919162

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 3433, 6390, 6866, 10299, 17165, 20598, 30897, 34330, 51495, 61794, 102990, 154485, 243743, 308970, 487486, 731229, 1218715, 1462458, 2193687, 2437430, 3656145, 4387374, 7312290, 10968435, 21936870]

約数ペア:

[(1, 21936870), (2, 10968435), (3, 7312290), (5, 4387374), (6, 3656145), (9, 2437430), (10, 2193687), (15, 1462458), (18, 1218715), (30, 731229), (45, 487486), (71, 308970), (90, 243743), (142, 154485), (213, 102990), (355, 61794), (426, 51495), (639, 34330), (710, 30897), (1065, 20598), (1278, 17165), (2130, 10299), (3195, 6866), (3433, 6390)]