21909870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7853}}^1$

素因数の和:7897

約数の個数: 48

約数和(自身を含む): 58810752

約数和(自身を除く): 36900882

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7853, 15706, 23559, 39265, 47118, 70677, 78530, 117795, 141354, 235590, 243443, 353385, 486886, 706770, 730329, 1217215, 1460658, 2190987, 2434430, 3651645, 4381974, 7303290, 10954935, 21909870]

約数ペア:

[(1, 21909870), (2, 10954935), (3, 7303290), (5, 4381974), (6, 3651645), (9, 2434430), (10, 2190987), (15, 1460658), (18, 1217215), (30, 730329), (31, 706770), (45, 486886), (62, 353385), (90, 243443), (93, 235590), (155, 141354), (186, 117795), (279, 78530), (310, 70677), (465, 47118), (558, 39265), (930, 23559), (1395, 15706), (2790, 7853)]