21227798595

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{911}}^1$

素因数の和:1125

約数の個数: 128

約数和(自身を含む): 39146250240

約数和(自身を除く): 17918451645

約数列:

[1, 3, 5, 15, 17, 23, 29, 51, 69, 85, 87, 115, 137, 145, 255, 345, 391, 411, 435, 493, 667, 685, 911, 1173, 1479, 1955, 2001, 2055, 2329, 2465, 2733, 3151, 3335, 3973, 4555, 5865, 6987, 7395, 9453, 10005, 11339, 11645, 11919, 13665, 15487, 15755, 19865, 20953, 26419, 34017, 34935, 46461, 47265, 53567, 56695, 59595, 62859, 67541, 77435, 79257, 91379, 104765, 124807, 132095, 160701, 170085, 202623, 232305, 267835, 274137, 314295, 337705, 356201, 374421, 396285, 449123, 456895, 607637, 624035, 803505, 1013115, 1068603, 1347369, 1370685, 1553443, 1781005, 1822911, 1872105, 2121719, 2245615, 2870561, 3038185, 3619403, 4660329, 5343015, 6365157, 6736845, 7767215, 8611683, 9114555, 10329829, 10608595, 10858209, 14352805, 18097015, 23301645, 30989487, 31825785, 43058415, 48799537, 51649145, 54291045, 61529851, 83246269, 146398611, 154947435, 184589553, 243997685, 249738807, 307649255, 416231345, 731993055, 922947765, 1248694035, 1415186573, 4245559719, 7075932865, 21227798595]

約数ペア:

[(1, 21227798595), (3, 7075932865), (5, 4245559719), (15, 1415186573), (17, 1248694035), (23, 922947765), (29, 731993055), (51, 416231345), (69, 307649255), (85, 249738807), (87, 243997685), (115, 184589553), (137, 154947435), (145, 146398611), (255, 83246269), (345, 61529851), (391, 54291045), (411, 51649145), (435, 48799537), (493, 43058415), (667, 31825785), (685, 30989487), (911, 23301645), (1173, 18097015), (1479, 14352805), (1955, 10858209), (2001, 10608595), (2055, 10329829), (2329, 9114555), (2465, 8611683), (2733, 7767215), (3151, 6736845), (3335, 6365157), (3973, 5343015), (4555, 4660329), (5865, 3619403), (6987, 3038185), (7395, 2870561), (9453, 2245615), (10005, 2121719), (11339, 1872105), (11645, 1822911), (11919, 1781005), (13665, 1553443), (15487, 1370685), (15755, 1347369), (19865, 1068603), (20953, 1013115), (26419, 803505), (34017, 624035), (34935, 607637), (46461, 456895), (47265, 449123), (53567, 396285), (56695, 374421), (59595, 356201), (62859, 337705), (67541, 314295), (77435, 274137), (79257, 267835), (91379, 232305), (104765, 202623), (124807, 170085), (132095, 160701)]