21469770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:716

約数の個数: 96

約数和(自身を含む): 65100672

約数和(自身を除く): 43630902

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 53, 63, 70, 90, 105, 106, 126, 159, 210, 265, 315, 318, 371, 477, 530, 630, 643, 742, 795, 954, 1113, 1286, 1590, 1855, 1929, 2226, 2385, 3215, 3339, 3710, 3858, 4501, 4770, 5565, 5787, 6430, 6678, 9002, 9645, 11130, 11574, 13503, 16695, 19290, 22505, 27006, 28935, 33390, 34079, 40509, 45010, 57870, 67515, 68158, 81018, 102237, 135030, 170395, 202545, 204474, 238553, 306711, 340790, 405090, 477106, 511185, 613422, 715659, 1022370, 1192765, 1431318, 1533555, 2146977, 2385530, 3067110, 3578295, 4293954, 7156590, 10734885, 21469770]

約数ペア:

[(1, 21469770), (2, 10734885), (3, 7156590), (5, 4293954), (6, 3578295), (7, 3067110), (9, 2385530), (10, 2146977), (14, 1533555), (15, 1431318), (18, 1192765), (21, 1022370), (30, 715659), (35, 613422), (42, 511185), (45, 477106), (53, 405090), (63, 340790), (70, 306711), (90, 238553), (105, 204474), (106, 202545), (126, 170395), (159, 135030), (210, 102237), (265, 81018), (315, 68158), (318, 67515), (371, 57870), (477, 45010), (530, 40509), (630, 34079), (643, 33390), (742, 28935), (795, 27006), (954, 22505), (1113, 19290), (1286, 16695), (1590, 13503), (1855, 11574), (1929, 11130), (2226, 9645), (2385, 9002), (3215, 6678), (3339, 6430), (3710, 5787), (3858, 5565), (4501, 4770)]