21199891430

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1375723}}^1$

素因数の和:1375820

約数の個数: 32

約数和(自身を含む): 40413268224

約数和(自身を除く): 19213376794

約数列:

[1, 2, 5, 10, 23, 46, 67, 115, 134, 230, 335, 670, 1541, 3082, 7705, 15410, 1375723, 2751446, 6878615, 13757230, 31641629, 63283258, 92173441, 158208145, 184346882, 316416290, 460867205, 921734410, 2119989143, 4239978286, 10599945715, 21199891430]

約数ペア:

[(1, 21199891430), (2, 10599945715), (5, 4239978286), (10, 2119989143), (23, 921734410), (46, 460867205), (67, 316416290), (115, 184346882), (134, 158208145), (230, 92173441), (335, 63283258), (670, 31641629), (1541, 13757230), (3082, 6878615), (7705, 2751446), (15410, 1375723)]