21849884

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2719}}^1$

素因数の和:2778

約数の個数: 36

約数和(自身を含む): 45581760

約数和(自身を除く): 23731876

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 574, 1148, 2009, 2719, 4018, 5438, 8036, 10876, 19033, 38066, 76132, 111479, 133231, 222958, 266462, 445916, 532924, 780353, 1560706, 3121412, 5462471, 10924942, 21849884]

約数ペア:

[(1, 21849884), (2, 10924942), (4, 5462471), (7, 3121412), (14, 1560706), (28, 780353), (41, 532924), (49, 445916), (82, 266462), (98, 222958), (164, 133231), (196, 111479), (287, 76132), (574, 38066), (1148, 19033), (2009, 10876), (2719, 8036), (4018, 5438)]