21090570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 53844480

約数和(自身を除く): 32753910

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 163, 190, 227, 285, 326, 454, 489, 570, 681, 815, 978, 1135, 1362, 1630, 2270, 2445, 3097, 3405, 4313, 4890, 6194, 6810, 8626, 9291, 12939, 15485, 18582, 21565, 25878, 30970, 37001, 43130, 46455, 64695, 74002, 92910, 111003, 129390, 185005, 222006, 370010, 555015, 703019, 1110030, 1406038, 2109057, 3515095, 4218114, 7030190, 10545285, 21090570]

約数ペア:

[(1, 21090570), (2, 10545285), (3, 7030190), (5, 4218114), (6, 3515095), (10, 2109057), (15, 1406038), (19, 1110030), (30, 703019), (38, 555015), (57, 370010), (95, 222006), (114, 185005), (163, 129390), (190, 111003), (227, 92910), (285, 74002), (326, 64695), (454, 46455), (489, 43130), (570, 37001), (681, 30970), (815, 25878), (978, 21565), (1135, 18582), (1362, 15485), (1630, 12939), (2270, 9291), (2445, 8626), (3097, 6810), (3405, 6194), (4313, 4890)]