21933135

素因数分解:

$3^2\times 5^1\times 7^5\times {\mathrm{29}}^1$

素因数の和:75

約数の個数: 72

約数和(自身を含む): 45882720

約数和(自身を除く): 23949585

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 49, 63, 87, 105, 145, 147, 203, 245, 261, 315, 343, 435, 441, 609, 735, 1015, 1029, 1305, 1421, 1715, 1827, 2205, 2401, 3045, 3087, 4263, 5145, 7105, 7203, 9135, 9947, 12005, 12789, 15435, 16807, 21315, 21609, 29841, 36015, 49735, 50421, 63945, 69629, 84035, 89523, 108045, 149205, 151263, 208887, 252105, 348145, 447615, 487403, 626661, 756315, 1044435, 1462209, 2437015, 3133305, 4386627, 7311045, 21933135]

約数ペア:

[(1, 21933135), (3, 7311045), (5, 4386627), (7, 3133305), (9, 2437015), (15, 1462209), (21, 1044435), (29, 756315), (35, 626661), (45, 487403), (49, 447615), (63, 348145), (87, 252105), (105, 208887), (145, 151263), (147, 149205), (203, 108045), (245, 89523), (261, 84035), (315, 69629), (343, 63945), (435, 50421), (441, 49735), (609, 36015), (735, 29841), (1015, 21609), (1029, 21315), (1305, 16807), (1421, 15435), (1715, 12789), (1827, 12005), (2205, 9947), (2401, 9135), (3045, 7203), (3087, 7105), (4263, 5145)]