21577886940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{996209}}^1$

素因数の和:996259

約数の個数: 72

約数和(自身を含む): 63765409680

約数和(自身を除く): 42187522740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 361, 380, 570, 722, 1083, 1140, 1444, 1805, 2166, 3610, 4332, 5415, 7220, 10830, 21660, 996209, 1992418, 2988627, 3984836, 4981045, 5977254, 9962090, 11954508, 14943135, 18927971, 19924180, 29886270, 37855942, 56783913, 59772540, 75711884, 94639855, 113567826, 189279710, 227135652, 283919565, 359631449, 378559420, 567839130, 719262898, 1078894347, 1135678260, 1438525796, 1798157245, 2157788694, 3596314490, 4315577388, 5394471735, 7192628980, 10788943470, 21577886940]

約数ペア:

[(1, 21577886940), (2, 10788943470), (3, 7192628980), (4, 5394471735), (5, 4315577388), (6, 3596314490), (10, 2157788694), (12, 1798157245), (15, 1438525796), (19, 1135678260), (20, 1078894347), (30, 719262898), (38, 567839130), (57, 378559420), (60, 359631449), (76, 283919565), (95, 227135652), (114, 189279710), (190, 113567826), (228, 94639855), (285, 75711884), (361, 59772540), (380, 56783913), (570, 37855942), (722, 29886270), (1083, 19924180), (1140, 18927971), (1444, 14943135), (1805, 11954508), (2166, 9962090), (3610, 5977254), (4332, 4981045), (5415, 3984836), (7220, 2988627), (10830, 1992418), (21660, 996209)]