21559968009

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{509}}^1\times {\mathrm{967}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 32448599040

約数和(自身を除く): 10888631031

約数列:

[1, 3, 9, 31, 93, 157, 279, 471, 509, 967, 1413, 1527, 2901, 4581, 4867, 8703, 14601, 15779, 29977, 43803, 47337, 79913, 89931, 142011, 151819, 239739, 269793, 455457, 492203, 719217, 1366371, 1476609, 2477303, 4429827, 4706389, 7431909, 14119167, 15258293, 22295727, 42357501, 45774879, 77275871, 137324637, 231827613, 695482839, 2395552001, 7186656003, 21559968009]

約数ペア:

[(1, 21559968009), (3, 7186656003), (9, 2395552001), (31, 695482839), (93, 231827613), (157, 137324637), (279, 77275871), (471, 45774879), (509, 42357501), (967, 22295727), (1413, 15258293), (1527, 14119167), (2901, 7431909), (4581, 4706389), (4867, 4429827), (8703, 2477303), (14601, 1476609), (15779, 1366371), (29977, 719217), (43803, 492203), (47337, 455457), (79913, 269793), (89931, 239739), (142011, 151819)]