21810784

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1237}}^1$

素因数の和:1295

約数の個数: 48

約数和(自身を含む): 46796400

約数和(自身を除く): 24985616

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 76, 116, 152, 232, 304, 464, 551, 608, 928, 1102, 1237, 2204, 2474, 4408, 4948, 8816, 9896, 17632, 19792, 23503, 35873, 39584, 47006, 71746, 94012, 143492, 188024, 286984, 376048, 573968, 681587, 752096, 1147936, 1363174, 2726348, 5452696, 10905392, 21810784]

約数ペア:

[(1, 21810784), (2, 10905392), (4, 5452696), (8, 2726348), (16, 1363174), (19, 1147936), (29, 752096), (32, 681587), (38, 573968), (58, 376048), (76, 286984), (116, 188024), (152, 143492), (232, 94012), (304, 71746), (464, 47006), (551, 39584), (608, 35873), (928, 23503), (1102, 19792), (1237, 17632), (2204, 9896), (2474, 8816), (4408, 4948)]