21955950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:618

約数の個数: 72

約数和(自身を含む): 59714928

約数和(自身を除く): 37758978

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 97, 150, 194, 225, 291, 450, 485, 503, 582, 873, 970, 1006, 1455, 1509, 1746, 2425, 2515, 2910, 3018, 4365, 4527, 4850, 5030, 7275, 7545, 8730, 9054, 12575, 14550, 15090, 21825, 22635, 25150, 37725, 43650, 45270, 48791, 75450, 97582, 113175, 146373, 226350, 243955, 292746, 439119, 487910, 731865, 878238, 1219775, 1463730, 2195595, 2439550, 3659325, 4391190, 7318650, 10977975, 21955950]

約数ペア:

[(1, 21955950), (2, 10977975), (3, 7318650), (5, 4391190), (6, 3659325), (9, 2439550), (10, 2195595), (15, 1463730), (18, 1219775), (25, 878238), (30, 731865), (45, 487910), (50, 439119), (75, 292746), (90, 243955), (97, 226350), (150, 146373), (194, 113175), (225, 97582), (291, 75450), (450, 48791), (485, 45270), (503, 43650), (582, 37725), (873, 25150), (970, 22635), (1006, 21825), (1455, 15090), (1509, 14550), (1746, 12575), (2425, 9054), (2515, 8730), (2910, 7545), (3018, 7275), (4365, 5030), (4527, 4850)]