21803270

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 40249440

約数和(自身を除く): 18446170

約数列:

[1, 2, 5, 10, 83, 109, 166, 218, 241, 415, 482, 545, 830, 1090, 1205, 2410, 9047, 18094, 20003, 26269, 40006, 45235, 52538, 90470, 100015, 131345, 200030, 262690, 2180327, 4360654, 10901635, 21803270]

約数ペア:

[(1, 21803270), (2, 10901635), (5, 4360654), (10, 2180327), (83, 262690), (109, 200030), (166, 131345), (218, 100015), (241, 90470), (415, 52538), (482, 45235), (545, 40006), (830, 26269), (1090, 20003), (1205, 18094), (2410, 9047)]