21459900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{929}}^1$

素因数の和:964

約数の個数: 144

約数和(自身を含む): 77495040

約数和(自身を除く): 56035140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 30, 33, 35, 42, 44, 50, 55, 60, 66, 70, 75, 77, 84, 100, 105, 110, 132, 140, 150, 154, 165, 175, 210, 220, 231, 275, 300, 308, 330, 350, 385, 420, 462, 525, 550, 660, 700, 770, 825, 924, 929, 1050, 1100, 1155, 1540, 1650, 1858, 1925, 2100, 2310, 2787, 3300, 3716, 3850, 4620, 4645, 5574, 5775, 6503, 7700, 9290, 10219, 11148, 11550, 13006, 13935, 18580, 19509, 20438, 23100, 23225, 26012, 27870, 30657, 32515, 39018, 40876, 46450, 51095, 55740, 61314, 65030, 69675, 71533, 78036, 92900, 97545, 102190, 122628, 130060, 139350, 143066, 153285, 162575, 195090, 204380, 214599, 255475, 278700, 286132, 306570, 325150, 357665, 390180, 429198, 487725, 510950, 613140, 650300, 715330, 766425, 858396, 975450, 1021900, 1072995, 1430660, 1532850, 1788325, 1950900, 2145990, 3065700, 3576650, 4291980, 5364975, 7153300, 10729950, 21459900]

約数ペア:

[(1, 21459900), (2, 10729950), (3, 7153300), (4, 5364975), (5, 4291980), (6, 3576650), (7, 3065700), (10, 2145990), (11, 1950900), (12, 1788325), (14, 1532850), (15, 1430660), (20, 1072995), (21, 1021900), (22, 975450), (25, 858396), (28, 766425), (30, 715330), (33, 650300), (35, 613140), (42, 510950), (44, 487725), (50, 429198), (55, 390180), (60, 357665), (66, 325150), (70, 306570), (75, 286132), (77, 278700), (84, 255475), (100, 214599), (105, 204380), (110, 195090), (132, 162575), (140, 153285), (150, 143066), (154, 139350), (165, 130060), (175, 122628), (210, 102190), (220, 97545), (231, 92900), (275, 78036), (300, 71533), (308, 69675), (330, 65030), (350, 61314), (385, 55740), (420, 51095), (462, 46450), (525, 40876), (550, 39018), (660, 32515), (700, 30657), (770, 27870), (825, 26012), (924, 23225), (929, 23100), (1050, 20438), (1100, 19509), (1155, 18580), (1540, 13935), (1650, 13006), (1858, 11550), (1925, 11148), (2100, 10219), (2310, 9290), (2787, 7700), (3300, 6503), (3716, 5775), (3850, 5574), (4620, 4645)]