21838710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42821}}^1$

素因数の和:42848

約数の個数: 32

約数和(自身を含む): 55497312

約数和(自身を除く): 33658602

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42821, 85642, 128463, 214105, 256926, 428210, 642315, 727957, 1284630, 1455914, 2183871, 3639785, 4367742, 7279570, 10919355, 21838710]

約数ペア:

[(1, 21838710), (2, 10919355), (3, 7279570), (5, 4367742), (6, 3639785), (10, 2183871), (15, 1455914), (17, 1284630), (30, 727957), (34, 642315), (51, 428210), (85, 256926), (102, 214105), (170, 128463), (255, 85642), (510, 42821)]