21860190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:406

約数の個数: 96

約数和(自身を含む): 63078912

約数和(自身を除く): 41218722

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 71, 90, 99, 110, 142, 165, 198, 213, 311, 330, 355, 426, 495, 622, 639, 710, 781, 933, 990, 1065, 1278, 1555, 1562, 1866, 2130, 2343, 2799, 3110, 3195, 3421, 3905, 4665, 4686, 5598, 6390, 6842, 7029, 7810, 9330, 10263, 11715, 13995, 14058, 17105, 20526, 22081, 23430, 27990, 30789, 34210, 35145, 44162, 51315, 61578, 66243, 70290, 102630, 110405, 132486, 153945, 198729, 220810, 242891, 307890, 331215, 397458, 485782, 662430, 728673, 993645, 1214455, 1457346, 1987290, 2186019, 2428910, 3643365, 4372038, 7286730, 10930095, 21860190]

約数ペア:

[(1, 21860190), (2, 10930095), (3, 7286730), (5, 4372038), (6, 3643365), (9, 2428910), (10, 2186019), (11, 1987290), (15, 1457346), (18, 1214455), (22, 993645), (30, 728673), (33, 662430), (45, 485782), (55, 397458), (66, 331215), (71, 307890), (90, 242891), (99, 220810), (110, 198729), (142, 153945), (165, 132486), (198, 110405), (213, 102630), (311, 70290), (330, 66243), (355, 61578), (426, 51315), (495, 44162), (622, 35145), (639, 34210), (710, 30789), (781, 27990), (933, 23430), (990, 22081), (1065, 20526), (1278, 17105), (1555, 14058), (1562, 13995), (1866, 11715), (2130, 10263), (2343, 9330), (2799, 7810), (3110, 7029), (3195, 6842), (3421, 6390), (3905, 5598), (4665, 4686)]