21988098

素因数分解:

$2^1\times 3^7\times {\mathrm{11}}^1\times {\mathrm{457}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 54080640

約数和(自身を除く): 32092542

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 162, 198, 243, 297, 457, 486, 594, 729, 891, 914, 1371, 1458, 1782, 2187, 2673, 2742, 4113, 4374, 5027, 5346, 8019, 8226, 10054, 12339, 15081, 16038, 24057, 24678, 30162, 37017, 45243, 48114, 74034, 90486, 111051, 135729, 222102, 271458, 333153, 407187, 666306, 814374, 999459, 1221561, 1998918, 2443122, 3664683, 7329366, 10994049, 21988098]

約数ペア:

[(1, 21988098), (2, 10994049), (3, 7329366), (6, 3664683), (9, 2443122), (11, 1998918), (18, 1221561), (22, 999459), (27, 814374), (33, 666306), (54, 407187), (66, 333153), (81, 271458), (99, 222102), (162, 135729), (198, 111051), (243, 90486), (297, 74034), (457, 48114), (486, 45243), (594, 37017), (729, 30162), (891, 24678), (914, 24057), (1371, 16038), (1458, 15081), (1782, 12339), (2187, 10054), (2673, 8226), (2742, 8019), (4113, 5346), (4374, 5027)]