21107790

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:156

約数の個数: 160

約数和(自身を含む): 65235456

約数和(自身を除く): 44127666

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 23, 27, 30, 33, 45, 46, 54, 55, 66, 69, 81, 90, 99, 103, 110, 115, 135, 138, 162, 165, 198, 206, 207, 230, 253, 270, 297, 309, 330, 345, 405, 414, 495, 506, 515, 594, 618, 621, 690, 759, 810, 891, 927, 990, 1030, 1035, 1133, 1242, 1265, 1485, 1518, 1545, 1782, 1854, 1863, 2070, 2266, 2277, 2369, 2530, 2781, 2970, 3090, 3105, 3399, 3726, 3795, 4455, 4554, 4635, 4738, 5562, 5665, 6210, 6798, 6831, 7107, 7590, 8343, 8910, 9270, 9315, 10197, 11330, 11385, 11845, 13662, 13905, 14214, 16686, 16995, 18630, 20394, 20493, 21321, 22770, 23690, 26059, 27810, 30591, 33990, 34155, 35535, 40986, 41715, 42642, 50985, 52118, 61182, 63963, 68310, 71070, 78177, 83430, 91773, 101970, 102465, 106605, 127926, 130295, 152955, 156354, 183546, 191889, 204930, 213210, 234531, 260590, 305910, 319815, 383778, 390885, 458865, 469062, 639630, 703593, 781770, 917730, 959445, 1172655, 1407186, 1918890, 2110779, 2345310, 3517965, 4221558, 7035930, 10553895, 21107790]

約数ペア:

[(1, 21107790), (2, 10553895), (3, 7035930), (5, 4221558), (6, 3517965), (9, 2345310), (10, 2110779), (11, 1918890), (15, 1407186), (18, 1172655), (22, 959445), (23, 917730), (27, 781770), (30, 703593), (33, 639630), (45, 469062), (46, 458865), (54, 390885), (55, 383778), (66, 319815), (69, 305910), (81, 260590), (90, 234531), (99, 213210), (103, 204930), (110, 191889), (115, 183546), (135, 156354), (138, 152955), (162, 130295), (165, 127926), (198, 106605), (206, 102465), (207, 101970), (230, 91773), (253, 83430), (270, 78177), (297, 71070), (309, 68310), (330, 63963), (345, 61182), (405, 52118), (414, 50985), (495, 42642), (506, 41715), (515, 40986), (594, 35535), (618, 34155), (621, 33990), (690, 30591), (759, 27810), (810, 26059), (891, 23690), (927, 22770), (990, 21321), (1030, 20493), (1035, 20394), (1133, 18630), (1242, 16995), (1265, 16686), (1485, 14214), (1518, 13905), (1545, 13662), (1782, 11845), (1854, 11385), (1863, 11330), (2070, 10197), (2266, 9315), (2277, 9270), (2369, 8910), (2530, 8343), (2781, 7590), (2970, 7107), (3090, 6831), (3105, 6798), (3399, 6210), (3726, 5665), (3795, 5562), (4455, 4738), (4554, 4635)]