21563304204

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{103231}}^1$

素因数の和:103367

約数の個数: 72

約数和(自身を含む): 55011919872

約数和(自身を除く): 33448615668

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 103, 156, 169, 206, 309, 338, 412, 507, 618, 676, 1014, 1236, 1339, 2028, 2678, 4017, 5356, 8034, 16068, 17407, 34814, 52221, 69628, 103231, 104442, 206462, 208884, 309693, 412924, 619386, 1238772, 1342003, 2684006, 4026009, 5368012, 8052018, 10632793, 16104036, 17446039, 21265586, 31898379, 34892078, 42531172, 52338117, 63796758, 69784156, 104676234, 127593516, 138226309, 209352468, 276452618, 414678927, 552905236, 829357854, 1658715708, 1796942017, 3593884034, 5390826051, 7187768068, 10781652102, 21563304204]

約数ペア:

[(1, 21563304204), (2, 10781652102), (3, 7187768068), (4, 5390826051), (6, 3593884034), (12, 1796942017), (13, 1658715708), (26, 829357854), (39, 552905236), (52, 414678927), (78, 276452618), (103, 209352468), (156, 138226309), (169, 127593516), (206, 104676234), (309, 69784156), (338, 63796758), (412, 52338117), (507, 42531172), (618, 34892078), (676, 31898379), (1014, 21265586), (1236, 17446039), (1339, 16104036), (2028, 10632793), (2678, 8052018), (4017, 5368012), (5356, 4026009), (8034, 2684006), (16068, 1342003), (17407, 1238772), (34814, 619386), (52221, 412924), (69628, 309693), (103231, 208884), (104442, 206462)]