21766240

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4691}}^1$

素因数の和:4735

約数の個数: 48

約数和(自身を含む): 53207280

約数和(自身を除く): 31441040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 4691, 9382, 18764, 23455, 37528, 46910, 75056, 93820, 136039, 150112, 187640, 272078, 375280, 544156, 680195, 750560, 1088312, 1360390, 2176624, 2720780, 4353248, 5441560, 10883120, 21766240]

約数ペア:

[(1, 21766240), (2, 10883120), (4, 5441560), (5, 4353248), (8, 2720780), (10, 2176624), (16, 1360390), (20, 1088312), (29, 750560), (32, 680195), (40, 544156), (58, 375280), (80, 272078), (116, 187640), (145, 150112), (160, 136039), (232, 93820), (290, 75056), (464, 46910), (580, 37528), (928, 23455), (1160, 18764), (2320, 9382), (4640, 4691)]