21626028

素因数分解:

$2^2\times 3^5\times {\mathrm{19}}^1\times {\mathrm{1171}}^1$

素因数の和:1209

約数の個数: 72

約数和(自身を含む): 59725120

約数和(自身を除く): 38099092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 243, 324, 342, 486, 513, 684, 972, 1026, 1171, 1539, 2052, 2342, 3078, 3513, 4617, 4684, 6156, 7026, 9234, 10539, 14052, 18468, 21078, 22249, 31617, 42156, 44498, 63234, 66747, 88996, 94851, 126468, 133494, 189702, 200241, 266988, 284553, 379404, 400482, 569106, 600723, 800964, 1138212, 1201446, 1802169, 2402892, 3604338, 5406507, 7208676, 10813014, 21626028]

約数ペア:

[(1, 21626028), (2, 10813014), (3, 7208676), (4, 5406507), (6, 3604338), (9, 2402892), (12, 1802169), (18, 1201446), (19, 1138212), (27, 800964), (36, 600723), (38, 569106), (54, 400482), (57, 379404), (76, 284553), (81, 266988), (108, 200241), (114, 189702), (162, 133494), (171, 126468), (228, 94851), (243, 88996), (324, 66747), (342, 63234), (486, 44498), (513, 42156), (684, 31617), (972, 22249), (1026, 21078), (1171, 18468), (1539, 14052), (2052, 10539), (2342, 9234), (3078, 7026), (3513, 6156), (4617, 4684)]