21166530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1$

素因数の和:70

約数の個数: 192

約数和(自身を含む): 68947200

約数和(自身を除く): 47780670

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 17, 21, 22, 30, 33, 34, 35, 42, 49, 51, 55, 66, 70, 77, 85, 98, 102, 105, 110, 119, 121, 147, 154, 165, 170, 187, 210, 231, 238, 242, 245, 255, 294, 330, 343, 357, 363, 374, 385, 462, 490, 510, 539, 561, 595, 605, 686, 714, 726, 735, 770, 833, 847, 935, 1029, 1078, 1122, 1155, 1190, 1210, 1309, 1470, 1617, 1666, 1694, 1715, 1785, 1815, 1870, 2057, 2058, 2310, 2499, 2541, 2618, 2695, 2805, 3234, 3430, 3570, 3630, 3773, 3927, 4114, 4165, 4235, 4998, 5082, 5145, 5390, 5610, 5831, 5929, 6171, 6545, 7546, 7854, 8085, 8330, 8470, 9163, 10285, 10290, 11319, 11662, 11858, 12342, 12495, 12705, 13090, 14399, 16170, 17493, 17787, 18326, 18865, 19635, 20570, 22638, 24990, 25410, 27489, 28798, 29155, 29645, 30855, 34986, 35574, 37730, 39270, 41503, 43197, 45815, 54978, 56595, 58310, 59290, 61710, 64141, 71995, 83006, 86394, 87465, 88935, 91630, 100793, 113190, 124509, 128282, 137445, 143990, 174930, 177870, 192423, 201586, 207515, 215985, 249018, 274890, 302379, 320705, 384846, 415030, 431970, 503965, 604758, 622545, 641410, 705551, 962115, 1007930, 1245090, 1411102, 1511895, 1924230, 2116653, 3023790, 3527755, 4233306, 7055510, 10583265, 21166530]

約数ペア:

[(1, 21166530), (2, 10583265), (3, 7055510), (5, 4233306), (6, 3527755), (7, 3023790), (10, 2116653), (11, 1924230), (14, 1511895), (15, 1411102), (17, 1245090), (21, 1007930), (22, 962115), (30, 705551), (33, 641410), (34, 622545), (35, 604758), (42, 503965), (49, 431970), (51, 415030), (55, 384846), (66, 320705), (70, 302379), (77, 274890), (85, 249018), (98, 215985), (102, 207515), (105, 201586), (110, 192423), (119, 177870), (121, 174930), (147, 143990), (154, 137445), (165, 128282), (170, 124509), (187, 113190), (210, 100793), (231, 91630), (238, 88935), (242, 87465), (245, 86394), (255, 83006), (294, 71995), (330, 64141), (343, 61710), (357, 59290), (363, 58310), (374, 56595), (385, 54978), (462, 45815), (490, 43197), (510, 41503), (539, 39270), (561, 37730), (595, 35574), (605, 34986), (686, 30855), (714, 29645), (726, 29155), (735, 28798), (770, 27489), (833, 25410), (847, 24990), (935, 22638), (1029, 20570), (1078, 19635), (1122, 18865), (1155, 18326), (1190, 17787), (1210, 17493), (1309, 16170), (1470, 14399), (1617, 13090), (1666, 12705), (1694, 12495), (1715, 12342), (1785, 11858), (1815, 11662), (1870, 11319), (2057, 10290), (2058, 10285), (2310, 9163), (2499, 8470), (2541, 8330), (2618, 8085), (2695, 7854), (2805, 7546), (3234, 6545), (3430, 6171), (3570, 5929), (3630, 5831), (3773, 5610), (3927, 5390), (4114, 5145), (4165, 5082), (4235, 4998)]