21651630

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:151

約数の個数: 192

約数和(自身を含む): 71705088

約数和(自身を除く): 50053458

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 21, 22, 26, 30, 33, 35, 39, 42, 49, 55, 65, 66, 70, 77, 78, 91, 98, 103, 105, 110, 130, 143, 147, 154, 165, 182, 195, 206, 210, 231, 245, 273, 286, 294, 309, 330, 385, 390, 429, 455, 462, 490, 515, 539, 546, 618, 637, 715, 721, 735, 770, 858, 910, 1001, 1030, 1078, 1133, 1155, 1274, 1339, 1365, 1430, 1442, 1470, 1545, 1617, 1911, 2002, 2145, 2163, 2266, 2310, 2678, 2695, 2730, 3003, 3090, 3185, 3234, 3399, 3605, 3822, 4017, 4290, 4326, 5005, 5047, 5390, 5665, 6006, 6370, 6695, 6798, 7007, 7210, 7931, 8034, 8085, 9373, 9555, 10010, 10094, 10815, 11330, 13390, 14014, 14729, 15015, 15141, 15862, 16170, 16995, 18746, 19110, 20085, 21021, 21630, 23793, 25235, 28119, 29458, 30030, 30282, 33990, 35035, 39655, 40170, 42042, 44187, 46865, 47586, 50470, 55517, 56238, 65611, 70070, 73645, 75705, 79310, 88374, 93730, 103103, 105105, 111034, 118965, 131222, 140595, 147290, 151410, 166551, 196833, 206206, 210210, 220935, 237930, 277585, 281190, 309309, 328055, 333102, 393666, 441870, 515515, 555170, 618618, 656110, 721721, 832755, 984165, 1031030, 1443442, 1546545, 1665510, 1968330, 2165163, 3093090, 3608605, 4330326, 7217210, 10825815, 21651630]

約数ペア:

[(1, 21651630), (2, 10825815), (3, 7217210), (5, 4330326), (6, 3608605), (7, 3093090), (10, 2165163), (11, 1968330), (13, 1665510), (14, 1546545), (15, 1443442), (21, 1031030), (22, 984165), (26, 832755), (30, 721721), (33, 656110), (35, 618618), (39, 555170), (42, 515515), (49, 441870), (55, 393666), (65, 333102), (66, 328055), (70, 309309), (77, 281190), (78, 277585), (91, 237930), (98, 220935), (103, 210210), (105, 206206), (110, 196833), (130, 166551), (143, 151410), (147, 147290), (154, 140595), (165, 131222), (182, 118965), (195, 111034), (206, 105105), (210, 103103), (231, 93730), (245, 88374), (273, 79310), (286, 75705), (294, 73645), (309, 70070), (330, 65611), (385, 56238), (390, 55517), (429, 50470), (455, 47586), (462, 46865), (490, 44187), (515, 42042), (539, 40170), (546, 39655), (618, 35035), (637, 33990), (715, 30282), (721, 30030), (735, 29458), (770, 28119), (858, 25235), (910, 23793), (1001, 21630), (1030, 21021), (1078, 20085), (1133, 19110), (1155, 18746), (1274, 16995), (1339, 16170), (1365, 15862), (1430, 15141), (1442, 15015), (1470, 14729), (1545, 14014), (1617, 13390), (1911, 11330), (2002, 10815), (2145, 10094), (2163, 10010), (2266, 9555), (2310, 9373), (2678, 8085), (2695, 8034), (2730, 7931), (3003, 7210), (3090, 7007), (3185, 6798), (3234, 6695), (3399, 6370), (3605, 6006), (3822, 5665), (4017, 5390), (4290, 5047), (4326, 5005)]