21533248

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:515

約数の個数: 56

約数和(自身を含む): 47365920

約数和(自身を除く): 25832672

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 73, 88, 146, 176, 292, 352, 419, 584, 704, 803, 838, 1168, 1606, 1676, 2336, 3212, 3352, 4609, 4672, 6424, 6704, 9218, 12848, 13408, 18436, 25696, 26816, 30587, 36872, 51392, 61174, 73744, 122348, 147488, 244696, 294976, 336457, 489392, 672914, 978784, 1345828, 1957568, 2691656, 5383312, 10766624, 21533248]

約数ペア:

[(1, 21533248), (2, 10766624), (4, 5383312), (8, 2691656), (11, 1957568), (16, 1345828), (22, 978784), (32, 672914), (44, 489392), (64, 336457), (73, 294976), (88, 244696), (146, 147488), (176, 122348), (292, 73744), (352, 61174), (419, 51392), (584, 36872), (704, 30587), (803, 26816), (838, 25696), (1168, 18436), (1606, 13408), (1676, 12848), (2336, 9218), (3212, 6704), (3352, 6424), (4609, 4672)]