21870972

素因数分解:

$2^2\times 3^5\times {\mathrm{22501}}^1$

素因数の和:22520

約数の個数: 36

約数和(自身を含む): 57335096

約数和(自身を除く): 35464124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 22501, 45002, 67503, 90004, 135006, 202509, 270012, 405018, 607527, 810036, 1215054, 1822581, 2430108, 3645162, 5467743, 7290324, 10935486, 21870972]

約数ペア:

[(1, 21870972), (2, 10935486), (3, 7290324), (4, 5467743), (6, 3645162), (9, 2430108), (12, 1822581), (18, 1215054), (27, 810036), (36, 607527), (54, 405018), (81, 270012), (108, 202509), (162, 135006), (243, 90004), (324, 67503), (486, 45002), (972, 22501)]