21001104

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:197

約数の個数: 120

約数和(自身を含む): 62674560

約数和(自身を除く): 41673456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 47, 48, 58, 72, 87, 94, 107, 116, 141, 144, 174, 188, 214, 232, 261, 282, 321, 348, 376, 423, 428, 464, 522, 564, 642, 696, 752, 846, 856, 963, 1044, 1128, 1284, 1363, 1392, 1692, 1712, 1926, 2088, 2256, 2568, 2726, 3103, 3384, 3852, 4089, 4176, 5029, 5136, 5452, 6206, 6768, 7704, 8178, 9309, 10058, 10904, 12267, 12412, 15087, 15408, 16356, 18618, 20116, 21808, 24534, 24824, 27927, 30174, 32712, 37236, 40232, 45261, 49068, 49648, 55854, 60348, 65424, 74472, 80464, 90522, 98136, 111708, 120696, 145841, 148944, 181044, 196272, 223416, 241392, 291682, 362088, 437523, 446832, 583364, 724176, 875046, 1166728, 1312569, 1750092, 2333456, 2625138, 3500184, 5250276, 7000368, 10500552, 21001104]

約数ペア:

[(1, 21001104), (2, 10500552), (3, 7000368), (4, 5250276), (6, 3500184), (8, 2625138), (9, 2333456), (12, 1750092), (16, 1312569), (18, 1166728), (24, 875046), (29, 724176), (36, 583364), (47, 446832), (48, 437523), (58, 362088), (72, 291682), (87, 241392), (94, 223416), (107, 196272), (116, 181044), (141, 148944), (144, 145841), (174, 120696), (188, 111708), (214, 98136), (232, 90522), (261, 80464), (282, 74472), (321, 65424), (348, 60348), (376, 55854), (423, 49648), (428, 49068), (464, 45261), (522, 40232), (564, 37236), (642, 32712), (696, 30174), (752, 27927), (846, 24824), (856, 24534), (963, 21808), (1044, 20116), (1128, 18618), (1284, 16356), (1363, 15408), (1392, 15087), (1692, 12412), (1712, 12267), (1926, 10904), (2088, 10058), (2256, 9309), (2568, 8178), (2726, 7704), (3103, 6768), (3384, 6206), (3852, 5452), (4089, 5136), (4176, 5029)]