21077130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{7243}}^1$

素因数の和:7350

約数の個数: 32

約数和(自身を含む): 51113664

約数和(自身を除く): 30036534

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 97, 194, 291, 485, 582, 970, 1455, 2910, 7243, 14486, 21729, 36215, 43458, 72430, 108645, 217290, 702571, 1405142, 2107713, 3512855, 4215426, 7025710, 10538565, 21077130]

約数ペア:

[(1, 21077130), (2, 10538565), (3, 7025710), (5, 4215426), (6, 3512855), (10, 2107713), (15, 1405142), (30, 702571), (97, 217290), (194, 108645), (291, 72430), (485, 43458), (582, 36215), (970, 21729), (1455, 14486), (2910, 7243)]