21185070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30703}}^1$

素因数の和:30736

約数の個数: 32

約数和(自身を含む): 53056512

約数和(自身を除く): 31871442

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 30703, 61406, 92109, 153515, 184218, 307030, 460545, 706169, 921090, 1412338, 2118507, 3530845, 4237014, 7061690, 10592535, 21185070]

約数ペア:

[(1, 21185070), (2, 10592535), (3, 7061690), (5, 4237014), (6, 3530845), (10, 2118507), (15, 1412338), (23, 921090), (30, 706169), (46, 460545), (69, 307030), (115, 184218), (138, 153515), (230, 92109), (345, 61406), (690, 30703)]