21978972

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{10711}}^1$

素因数の和:10743

約数の個数: 48

約数和(自身を含む): 59987200

約数和(自身を除く): 38008228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 10711, 21422, 32133, 42844, 64266, 96399, 128532, 192798, 203509, 289197, 385596, 407018, 578394, 610527, 814036, 1156788, 1221054, 1831581, 2442108, 3663162, 5494743, 7326324, 10989486, 21978972]

約数ペア:

[(1, 21978972), (2, 10989486), (3, 7326324), (4, 5494743), (6, 3663162), (9, 2442108), (12, 1831581), (18, 1221054), (19, 1156788), (27, 814036), (36, 610527), (38, 578394), (54, 407018), (57, 385596), (76, 289197), (108, 203509), (114, 192798), (171, 128532), (228, 96399), (342, 64266), (513, 42844), (684, 32133), (1026, 21422), (2052, 10711)]