21090597983

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:433

約数の個数: 96

約数和(自身を含む): 28432446336

約数和(自身を除く): 7341848353

約数列:

[1, 7, 13, 23, 49, 53, 91, 157, 161, 173, 299, 371, 637, 689, 1099, 1127, 1211, 1219, 2041, 2093, 2249, 2597, 3611, 3979, 4823, 7693, 8321, 8477, 8533, 9169, 14287, 14651, 15743, 15847, 25277, 27161, 27853, 33761, 46943, 51727, 58247, 59731, 64183, 100009, 108173, 110201, 110929, 119197, 176939, 190127, 191383, 194971, 210887, 328601, 353093, 362089, 407729, 449281, 624703, 757211, 776503, 834379, 1330889, 1339681, 1439533, 1476209, 2300207, 2471651, 2487979, 2534623, 2741531, 4372921, 5300477, 5840653, 8121139, 9377767, 10076731, 10333463, 17301557, 17415853, 18713929, 19190717, 30610447, 33109259, 56847973, 70537117, 121910971, 130997503, 134335019, 231764813, 397935811, 430420367, 916982521, 1622353691, 3012942569, 21090597983]

約数ペア:

[(1, 21090597983), (7, 3012942569), (13, 1622353691), (23, 916982521), (49, 430420367), (53, 397935811), (91, 231764813), (157, 134335019), (161, 130997503), (173, 121910971), (299, 70537117), (371, 56847973), (637, 33109259), (689, 30610447), (1099, 19190717), (1127, 18713929), (1211, 17415853), (1219, 17301557), (2041, 10333463), (2093, 10076731), (2249, 9377767), (2597, 8121139), (3611, 5840653), (3979, 5300477), (4823, 4372921), (7693, 2741531), (8321, 2534623), (8477, 2487979), (8533, 2471651), (9169, 2300207), (14287, 1476209), (14651, 1439533), (15743, 1339681), (15847, 1330889), (25277, 834379), (27161, 776503), (27853, 757211), (33761, 624703), (46943, 449281), (51727, 407729), (58247, 362089), (59731, 353093), (64183, 328601), (100009, 210887), (108173, 194971), (110201, 191383), (110929, 190127), (119197, 176939)]