21803810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4649}}^1$

素因数の和:4730

約数の個数: 32

約数和(自身を含む): 45532800

約数和(自身を除く): 23728990

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4649, 4690, 9298, 23245, 32543, 46490, 65086, 162715, 311483, 325430, 622966, 1557415, 2180381, 3114830, 4360762, 10901905, 21803810]

約数ペア:

[(1, 21803810), (2, 10901905), (5, 4360762), (7, 3114830), (10, 2180381), (14, 1557415), (35, 622966), (67, 325430), (70, 311483), (134, 162715), (335, 65086), (469, 46490), (670, 32543), (938, 23245), (2345, 9298), (4649, 4690)]