21070778895

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15104501}}^1$

素因数の和:15104543

約数の個数: 24

約数和(自身を含む): 37700836992

約数和(自身を除く): 16630058097

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 15104501, 45313503, 75522505, 135940509, 226567515, 468239531, 679702545, 1404718593, 2341197655, 4214155779, 7023592965, 21070778895]

約数ペア:

[(1, 21070778895), (3, 7023592965), (5, 4214155779), (9, 2341197655), (15, 1404718593), (31, 679702545), (45, 468239531), (93, 226567515), (155, 135940509), (279, 75522505), (465, 45313503), (1395, 15104501)]