21032190

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1277}}^1$

素因数の和:1354

約数の個数: 64

約数和(自身を含む): 57049920

約数和(自身を除く): 36017730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 90, 122, 135, 183, 270, 305, 366, 549, 610, 915, 1098, 1277, 1647, 1830, 2554, 2745, 3294, 3831, 5490, 6385, 7662, 8235, 11493, 12770, 16470, 19155, 22986, 34479, 38310, 57465, 68958, 77897, 114930, 155794, 172395, 233691, 344790, 389485, 467382, 701073, 778970, 1168455, 1402146, 2103219, 2336910, 3505365, 4206438, 7010730, 10516095, 21032190]

約数ペア:

[(1, 21032190), (2, 10516095), (3, 7010730), (5, 4206438), (6, 3505365), (9, 2336910), (10, 2103219), (15, 1402146), (18, 1168455), (27, 778970), (30, 701073), (45, 467382), (54, 389485), (61, 344790), (90, 233691), (122, 172395), (135, 155794), (183, 114930), (270, 77897), (305, 68958), (366, 57465), (549, 38310), (610, 34479), (915, 22986), (1098, 19155), (1277, 16470), (1647, 12770), (1830, 11493), (2554, 8235), (2745, 7662), (3294, 6385), (3831, 5490)]