21854100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{751}}^1$

素因数の和:865

約数の個数: 72

約数和(自身を含む): 63968128

約数和(自身を除く): 42114028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 97, 100, 150, 194, 291, 300, 388, 485, 582, 751, 970, 1164, 1455, 1502, 1940, 2253, 2425, 2910, 3004, 3755, 4506, 4850, 5820, 7275, 7510, 9012, 9700, 11265, 14550, 15020, 18775, 22530, 29100, 37550, 45060, 56325, 72847, 75100, 112650, 145694, 218541, 225300, 291388, 364235, 437082, 728470, 874164, 1092705, 1456940, 1821175, 2185410, 3642350, 4370820, 5463525, 7284700, 10927050, 21854100]

約数ペア:

[(1, 21854100), (2, 10927050), (3, 7284700), (4, 5463525), (5, 4370820), (6, 3642350), (10, 2185410), (12, 1821175), (15, 1456940), (20, 1092705), (25, 874164), (30, 728470), (50, 437082), (60, 364235), (75, 291388), (97, 225300), (100, 218541), (150, 145694), (194, 112650), (291, 75100), (300, 72847), (388, 56325), (485, 45060), (582, 37550), (751, 29100), (970, 22530), (1164, 18775), (1455, 15020), (1502, 14550), (1940, 11265), (2253, 9700), (2425, 9012), (2910, 7510), (3004, 7275), (3755, 5820), (4506, 4850)]