21697830

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:163

約数の個数: 192

約数和(自身を含む): 73322496

約数和(自身を除く): 51624666

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 31, 33, 35, 42, 45, 55, 62, 63, 66, 70, 77, 90, 93, 99, 101, 105, 110, 126, 154, 155, 165, 186, 198, 202, 210, 217, 231, 279, 303, 310, 315, 330, 341, 385, 434, 462, 465, 495, 505, 558, 606, 630, 651, 682, 693, 707, 770, 909, 930, 990, 1010, 1023, 1085, 1111, 1155, 1302, 1386, 1395, 1414, 1515, 1705, 1818, 1953, 2046, 2121, 2170, 2222, 2310, 2387, 2790, 3030, 3069, 3131, 3255, 3333, 3410, 3465, 3535, 3906, 4242, 4545, 4774, 5115, 5555, 6138, 6262, 6363, 6510, 6666, 6930, 7070, 7161, 7777, 9090, 9393, 9765, 9999, 10230, 10605, 11110, 11935, 12726, 14322, 15345, 15554, 15655, 16665, 18786, 19530, 19998, 21210, 21483, 21917, 23331, 23870, 28179, 30690, 31310, 31815, 33330, 34441, 35805, 38885, 42966, 43834, 46662, 46965, 49995, 56358, 63630, 65751, 68882, 69993, 71610, 77770, 93930, 99990, 103323, 107415, 109585, 116655, 131502, 139986, 140895, 172205, 197253, 206646, 214830, 219170, 233310, 241087, 281790, 309969, 328755, 344410, 349965, 394506, 482174, 516615, 619938, 657510, 699930, 723261, 986265, 1033230, 1205435, 1446522, 1549845, 1972530, 2169783, 2410870, 3099690, 3616305, 4339566, 7232610, 10848915, 21697830]

約数ペア:

[(1, 21697830), (2, 10848915), (3, 7232610), (5, 4339566), (6, 3616305), (7, 3099690), (9, 2410870), (10, 2169783), (11, 1972530), (14, 1549845), (15, 1446522), (18, 1205435), (21, 1033230), (22, 986265), (30, 723261), (31, 699930), (33, 657510), (35, 619938), (42, 516615), (45, 482174), (55, 394506), (62, 349965), (63, 344410), (66, 328755), (70, 309969), (77, 281790), (90, 241087), (93, 233310), (99, 219170), (101, 214830), (105, 206646), (110, 197253), (126, 172205), (154, 140895), (155, 139986), (165, 131502), (186, 116655), (198, 109585), (202, 107415), (210, 103323), (217, 99990), (231, 93930), (279, 77770), (303, 71610), (310, 69993), (315, 68882), (330, 65751), (341, 63630), (385, 56358), (434, 49995), (462, 46965), (465, 46662), (495, 43834), (505, 42966), (558, 38885), (606, 35805), (630, 34441), (651, 33330), (682, 31815), (693, 31310), (707, 30690), (770, 28179), (909, 23870), (930, 23331), (990, 21917), (1010, 21483), (1023, 21210), (1085, 19998), (1111, 19530), (1155, 18786), (1302, 16665), (1386, 15655), (1395, 15554), (1414, 15345), (1515, 14322), (1705, 12726), (1818, 11935), (1953, 11110), (2046, 10605), (2121, 10230), (2170, 9999), (2222, 9765), (2310, 9393), (2387, 9090), (2790, 7777), (3030, 7161), (3069, 7070), (3131, 6930), (3255, 6666), (3333, 6510), (3410, 6363), (3465, 6262), (3535, 6138), (3906, 5555), (4242, 5115), (4545, 4774)]