21994704

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{8039}}^1$

素因数の和:8072

約数の個数: 60

約数和(自身を含む): 64802400

約数和(自身を除く): 42807696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 2736, 8039, 16078, 24117, 32156, 48234, 64312, 72351, 96468, 128624, 144702, 152741, 192936, 289404, 305482, 385872, 458223, 578808, 610964, 916446, 1157616, 1221928, 1374669, 1832892, 2443856, 2749338, 3665784, 5498676, 7331568, 10997352, 21994704]

約数ペア:

[(1, 21994704), (2, 10997352), (3, 7331568), (4, 5498676), (6, 3665784), (8, 2749338), (9, 2443856), (12, 1832892), (16, 1374669), (18, 1221928), (19, 1157616), (24, 916446), (36, 610964), (38, 578808), (48, 458223), (57, 385872), (72, 305482), (76, 289404), (114, 192936), (144, 152741), (152, 144702), (171, 128624), (228, 96468), (304, 72351), (342, 64312), (456, 48234), (684, 32156), (912, 24117), (1368, 16078), (2736, 8039)]