21597270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{19457}}^1$

素因数の和:19504

約数の個数: 32

約数和(自身を含む): 53237088

約数和(自身を除く): 31639818

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 19457, 38914, 58371, 97285, 116742, 194570, 291855, 583710, 719909, 1439818, 2159727, 3599545, 4319454, 7199090, 10798635, 21597270]

約数ペア:

[(1, 21597270), (2, 10798635), (3, 7199090), (5, 4319454), (6, 3599545), (10, 2159727), (15, 1439818), (30, 719909), (37, 583710), (74, 291855), (111, 194570), (185, 116742), (222, 97285), (370, 58371), (555, 38914), (1110, 19457)]