21501612

素因数分解:

$2^2\times 3^5\times {\mathrm{11}}^1\times {\mathrm{2011}}^1$

素因数の和:2041

約数の個数: 72

約数和(自身を含む): 61518912

約数和(自身を除く): 40017300

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 132, 162, 198, 243, 297, 324, 396, 486, 594, 891, 972, 1188, 1782, 2011, 2673, 3564, 4022, 5346, 6033, 8044, 10692, 12066, 18099, 22121, 24132, 36198, 44242, 54297, 66363, 72396, 88484, 108594, 132726, 162891, 199089, 217188, 265452, 325782, 398178, 488673, 597267, 651564, 796356, 977346, 1194534, 1791801, 1954692, 2389068, 3583602, 5375403, 7167204, 10750806, 21501612]

約数ペア:

[(1, 21501612), (2, 10750806), (3, 7167204), (4, 5375403), (6, 3583602), (9, 2389068), (11, 1954692), (12, 1791801), (18, 1194534), (22, 977346), (27, 796356), (33, 651564), (36, 597267), (44, 488673), (54, 398178), (66, 325782), (81, 265452), (99, 217188), (108, 199089), (132, 162891), (162, 132726), (198, 108594), (243, 88484), (297, 72396), (324, 66363), (396, 54297), (486, 44242), (594, 36198), (891, 24132), (972, 22121), (1188, 18099), (1782, 12066), (2011, 10692), (2673, 8044), (3564, 6033), (4022, 5346)]