21586380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3709}}^1$

素因数の和:3818

約数の個数: 48

約数和(自身を含む): 61081440

約数和(自身を除く): 39495060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 3709, 5820, 7418, 11127, 14836, 18545, 22254, 37090, 44508, 55635, 74180, 111270, 222540, 359773, 719546, 1079319, 1439092, 1798865, 2158638, 3597730, 4317276, 5396595, 7195460, 10793190, 21586380]

約数ペア:

[(1, 21586380), (2, 10793190), (3, 7195460), (4, 5396595), (5, 4317276), (6, 3597730), (10, 2158638), (12, 1798865), (15, 1439092), (20, 1079319), (30, 719546), (60, 359773), (97, 222540), (194, 111270), (291, 74180), (388, 55635), (485, 44508), (582, 37090), (970, 22254), (1164, 18545), (1455, 14836), (1940, 11127), (2910, 7418), (3709, 5820)]