21522270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^4$

素因数の和:68

約数の個数: 120

約数和(自身を含む): 66094920

約数和(自身を除く): 44572650

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 49, 55, 66, 70, 77, 98, 105, 110, 121, 147, 154, 165, 210, 231, 242, 245, 294, 330, 363, 385, 462, 490, 539, 605, 726, 735, 770, 847, 1078, 1155, 1210, 1331, 1470, 1617, 1694, 1815, 2310, 2541, 2662, 2695, 3234, 3630, 3993, 4235, 5082, 5390, 5929, 6655, 7986, 8085, 8470, 9317, 11858, 12705, 13310, 14641, 16170, 17787, 18634, 19965, 25410, 27951, 29282, 29645, 35574, 39930, 43923, 46585, 55902, 59290, 65219, 73205, 87846, 88935, 93170, 102487, 130438, 139755, 146410, 177870, 195657, 204974, 219615, 279510, 307461, 326095, 391314, 439230, 512435, 614922, 652190, 717409, 978285, 1024870, 1434818, 1537305, 1956570, 2152227, 3074610, 3587045, 4304454, 7174090, 10761135, 21522270]

約数ペア:

[(1, 21522270), (2, 10761135), (3, 7174090), (5, 4304454), (6, 3587045), (7, 3074610), (10, 2152227), (11, 1956570), (14, 1537305), (15, 1434818), (21, 1024870), (22, 978285), (30, 717409), (33, 652190), (35, 614922), (42, 512435), (49, 439230), (55, 391314), (66, 326095), (70, 307461), (77, 279510), (98, 219615), (105, 204974), (110, 195657), (121, 177870), (147, 146410), (154, 139755), (165, 130438), (210, 102487), (231, 93170), (242, 88935), (245, 87846), (294, 73205), (330, 65219), (363, 59290), (385, 55902), (462, 46585), (490, 43923), (539, 39930), (605, 35574), (726, 29645), (735, 29282), (770, 27951), (847, 25410), (1078, 19965), (1155, 18634), (1210, 17787), (1331, 16170), (1470, 14641), (1617, 13310), (1694, 12705), (1815, 11858), (2310, 9317), (2541, 8470), (2662, 8085), (2695, 7986), (3234, 6655), (3630, 5929), (3993, 5390), (4235, 5082)]