21143880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58733}}^1$

素因数の和:58750

約数の個数: 48

約数和(自身を含む): 68718780

約数和(自身を除く): 47574900

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58733, 117466, 176199, 234932, 293665, 352398, 469864, 528597, 587330, 704796, 880995, 1057194, 1174660, 1409592, 1761990, 2114388, 2349320, 2642985, 3523980, 4228776, 5285970, 7047960, 10571940, 21143880]

約数ペア:

[(1, 21143880), (2, 10571940), (3, 7047960), (4, 5285970), (5, 4228776), (6, 3523980), (8, 2642985), (9, 2349320), (10, 2114388), (12, 1761990), (15, 1409592), (18, 1174660), (20, 1057194), (24, 880995), (30, 704796), (36, 587330), (40, 528597), (45, 469864), (60, 352398), (72, 293665), (90, 234932), (120, 176199), (180, 117466), (360, 58733)]