21255066

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9923}}^1$

素因数の和:9955

約数の個数: 48

約数和(自身を含む): 55733184

約数和(自身を除く): 34478118

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 306, 357, 714, 1071, 2142, 9923, 19846, 29769, 59538, 69461, 89307, 138922, 168691, 178614, 208383, 337382, 416766, 506073, 625149, 1012146, 1180837, 1250298, 1518219, 2361674, 3036438, 3542511, 7085022, 10627533, 21255066]

約数ペア:

[(1, 21255066), (2, 10627533), (3, 7085022), (6, 3542511), (7, 3036438), (9, 2361674), (14, 1518219), (17, 1250298), (18, 1180837), (21, 1012146), (34, 625149), (42, 506073), (51, 416766), (63, 337382), (102, 208383), (119, 178614), (126, 168691), (153, 138922), (238, 89307), (306, 69461), (357, 59538), (714, 29769), (1071, 19846), (2142, 9923)]