21706290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{557}}^1$

素因数の和:1003

約数の個数: 48

約数和(自身を含む): 56668248

約数和(自身を除く): 34961958

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 433, 557, 866, 1114, 1299, 1671, 2165, 2598, 2785, 3342, 3897, 4330, 5013, 5570, 6495, 7794, 8355, 10026, 12990, 16710, 19485, 25065, 38970, 50130, 241181, 482362, 723543, 1205905, 1447086, 2170629, 2411810, 3617715, 4341258, 7235430, 10853145, 21706290]

約数ペア:

[(1, 21706290), (2, 10853145), (3, 7235430), (5, 4341258), (6, 3617715), (9, 2411810), (10, 2170629), (15, 1447086), (18, 1205905), (30, 723543), (45, 482362), (90, 241181), (433, 50130), (557, 38970), (866, 25065), (1114, 19485), (1299, 16710), (1671, 12990), (2165, 10026), (2598, 8355), (2785, 7794), (3342, 6495), (3897, 5570), (4330, 5013)]