21980448

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{10903}}^1$

素因数の和:10926

約数の個数: 72

約数和(自身を含む): 71443008

約数和(自身を除く): 49462560

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 10903, 21806, 32709, 43612, 65418, 76321, 87224, 98127, 130836, 152642, 174448, 196254, 228963, 261672, 305284, 348896, 392508, 457926, 523344, 610568, 686889, 785016, 915852, 1046688, 1221136, 1373778, 1570032, 1831704, 2442272, 2747556, 3140064, 3663408, 5495112, 7326816, 10990224, 21980448]

約数ペア:

[(1, 21980448), (2, 10990224), (3, 7326816), (4, 5495112), (6, 3663408), (7, 3140064), (8, 2747556), (9, 2442272), (12, 1831704), (14, 1570032), (16, 1373778), (18, 1221136), (21, 1046688), (24, 915852), (28, 785016), (32, 686889), (36, 610568), (42, 523344), (48, 457926), (56, 392508), (63, 348896), (72, 305284), (84, 261672), (96, 228963), (112, 196254), (126, 174448), (144, 152642), (168, 130836), (224, 98127), (252, 87224), (288, 76321), (336, 65418), (504, 43612), (672, 32709), (1008, 21806), (2016, 10903)]