21535018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:334

約数の個数: 32

約数和(自身を含む): 35642880

約数和(自身を除く): 14107862

約数列:

[1, 2, 19, 31, 38, 62, 101, 181, 202, 362, 589, 1178, 1919, 3131, 3439, 3838, 5611, 6262, 6878, 11222, 18281, 36562, 59489, 106609, 118978, 213218, 347339, 566711, 694678, 1133422, 10767509, 21535018]

約数ペア:

[(1, 21535018), (2, 10767509), (19, 1133422), (31, 694678), (38, 566711), (62, 347339), (101, 213218), (181, 118978), (202, 106609), (362, 59489), (589, 36562), (1178, 18281), (1919, 11222), (3131, 6878), (3439, 6262), (3838, 5611)]