21152802825

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{18223}}^1$

素因数の和:18324

約数の個数: 144

約数和(自身を含む): 47943407616

約数和(自身を除く): 26790604791

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 33, 35, 45, 55, 63, 67, 75, 77, 99, 105, 165, 175, 201, 225, 231, 275, 315, 335, 385, 469, 495, 525, 603, 693, 737, 825, 1005, 1155, 1407, 1575, 1675, 1925, 2211, 2345, 2475, 3015, 3465, 3685, 4221, 5025, 5159, 5775, 6633, 7035, 11055, 11725, 15075, 15477, 17325, 18223, 18425, 21105, 25795, 33165, 35175, 46431, 54669, 55275, 77385, 91115, 105525, 127561, 128975, 164007, 165825, 200453, 232155, 273345, 382683, 386925, 455575, 601359, 637805, 820035, 1002265, 1148049, 1160775, 1220941, 1366725, 1403171, 1804077, 1913415, 3006795, 3189025, 3662823, 4100175, 4209513, 5011325, 5740245, 6104705, 7015855, 8546587, 9020385, 9567075, 10988469, 12628539, 13430351, 15033975, 18314115, 21047565, 25639761, 28701225, 30523525, 35079275, 40291053, 42732935, 45101925, 54942345, 63142695, 67151755, 76919283, 91570575, 94012457, 105237825, 120873159, 128198805, 201455265, 213664675, 274711725, 282037371, 315713475, 335758775, 384596415, 470062285, 604365795, 640994025, 846112113, 1007276325, 1410186855, 1922982075, 2350311425, 3021828975, 4230560565, 7050934275, 21152802825]

約数ペア:

[(1, 21152802825), (3, 7050934275), (5, 4230560565), (7, 3021828975), (9, 2350311425), (11, 1922982075), (15, 1410186855), (21, 1007276325), (25, 846112113), (33, 640994025), (35, 604365795), (45, 470062285), (55, 384596415), (63, 335758775), (67, 315713475), (75, 282037371), (77, 274711725), (99, 213664675), (105, 201455265), (165, 128198805), (175, 120873159), (201, 105237825), (225, 94012457), (231, 91570575), (275, 76919283), (315, 67151755), (335, 63142695), (385, 54942345), (469, 45101925), (495, 42732935), (525, 40291053), (603, 35079275), (693, 30523525), (737, 28701225), (825, 25639761), (1005, 21047565), (1155, 18314115), (1407, 15033975), (1575, 13430351), (1675, 12628539), (1925, 10988469), (2211, 9567075), (2345, 9020385), (2475, 8546587), (3015, 7015855), (3465, 6104705), (3685, 5740245), (4221, 5011325), (5025, 4209513), (5159, 4100175), (5775, 3662823), (6633, 3189025), (7035, 3006795), (11055, 1913415), (11725, 1804077), (15075, 1403171), (15477, 1366725), (17325, 1220941), (18223, 1160775), (18425, 1148049), (21105, 1002265), (25795, 820035), (33165, 637805), (35175, 601359), (46431, 455575), (54669, 386925), (55275, 382683), (77385, 273345), (91115, 232155), (105525, 200453), (127561, 165825), (128975, 164007)]