21889744

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3499}}^1$

素因数の和:3547

約数の個数: 40

約数和(自身を含む): 46872000

約数和(自身を除く): 24982256

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 272, 368, 391, 782, 1564, 3128, 3499, 6256, 6998, 13996, 27992, 55984, 59483, 80477, 118966, 160954, 237932, 321908, 475864, 643816, 951728, 1287632, 1368109, 2736218, 5472436, 10944872, 21889744]

約数ペア:

[(1, 21889744), (2, 10944872), (4, 5472436), (8, 2736218), (16, 1368109), (17, 1287632), (23, 951728), (34, 643816), (46, 475864), (68, 321908), (92, 237932), (136, 160954), (184, 118966), (272, 80477), (368, 59483), (391, 55984), (782, 27992), (1564, 13996), (3128, 6998), (3499, 6256)]