21230790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:366

約数の個数: 128

約数和(自身を含む): 65111040

約数和(自身を除く): 43880250

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 19, 21, 30, 34, 35, 38, 42, 51, 57, 70, 85, 95, 102, 105, 114, 119, 133, 170, 190, 210, 238, 255, 266, 285, 313, 323, 357, 399, 510, 570, 595, 626, 646, 665, 714, 798, 939, 969, 1190, 1330, 1565, 1615, 1785, 1878, 1938, 1995, 2191, 2261, 3130, 3230, 3570, 3990, 4382, 4522, 4695, 4845, 5321, 5947, 6573, 6783, 9390, 9690, 10642, 10955, 11305, 11894, 13146, 13566, 15963, 17841, 21910, 22610, 26605, 29735, 31926, 32865, 33915, 35682, 37247, 41629, 53210, 59470, 65730, 67830, 74494, 79815, 83258, 89205, 101099, 111741, 124887, 159630, 178410, 186235, 202198, 208145, 223482, 249774, 303297, 372470, 416290, 505495, 558705, 606594, 624435, 707693, 1010990, 1117410, 1248870, 1415386, 1516485, 2123079, 3032970, 3538465, 4246158, 7076930, 10615395, 21230790]

約数ペア:

[(1, 21230790), (2, 10615395), (3, 7076930), (5, 4246158), (6, 3538465), (7, 3032970), (10, 2123079), (14, 1516485), (15, 1415386), (17, 1248870), (19, 1117410), (21, 1010990), (30, 707693), (34, 624435), (35, 606594), (38, 558705), (42, 505495), (51, 416290), (57, 372470), (70, 303297), (85, 249774), (95, 223482), (102, 208145), (105, 202198), (114, 186235), (119, 178410), (133, 159630), (170, 124887), (190, 111741), (210, 101099), (238, 89205), (255, 83258), (266, 79815), (285, 74494), (313, 67830), (323, 65730), (357, 59470), (399, 53210), (510, 41629), (570, 37247), (595, 35682), (626, 33915), (646, 32865), (665, 31926), (714, 29735), (798, 26605), (939, 22610), (969, 21910), (1190, 17841), (1330, 15963), (1565, 13566), (1615, 13146), (1785, 11894), (1878, 11305), (1938, 10955), (1995, 10642), (2191, 9690), (2261, 9390), (3130, 6783), (3230, 6573), (3570, 5947), (3990, 5321), (4382, 4845), (4522, 4695)]