21327516

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28211}}^1$

素因数の和:28231

約数の個数: 48

約数和(自身を含む): 63194880

約数和(自身を除く): 41867364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28211, 56422, 84633, 112844, 169266, 197477, 253899, 338532, 394954, 507798, 592431, 761697, 789908, 1015596, 1184862, 1523394, 1777293, 2369724, 3046788, 3554586, 5331879, 7109172, 10663758, 21327516]

約数ペア:

[(1, 21327516), (2, 10663758), (3, 7109172), (4, 5331879), (6, 3554586), (7, 3046788), (9, 2369724), (12, 1777293), (14, 1523394), (18, 1184862), (21, 1015596), (27, 789908), (28, 761697), (36, 592431), (42, 507798), (54, 394954), (63, 338532), (84, 253899), (108, 197477), (126, 169266), (189, 112844), (252, 84633), (378, 56422), (756, 28211)]