21519342

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2243}}^1$

素因数の和:2305

約数の個数: 48

約数和(自身を含む): 51459408

約数和(自身を除く): 29940066

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 41, 78, 82, 117, 123, 234, 246, 369, 533, 738, 1066, 1599, 2243, 3198, 4486, 4797, 6729, 9594, 13458, 20187, 29159, 40374, 58318, 87477, 91963, 174954, 183926, 262431, 275889, 524862, 551778, 827667, 1195519, 1655334, 2391038, 3586557, 7173114, 10759671, 21519342]

約数ペア:

[(1, 21519342), (2, 10759671), (3, 7173114), (6, 3586557), (9, 2391038), (13, 1655334), (18, 1195519), (26, 827667), (39, 551778), (41, 524862), (78, 275889), (82, 262431), (117, 183926), (123, 174954), (234, 91963), (246, 87477), (369, 58318), (533, 40374), (738, 29159), (1066, 20187), (1599, 13458), (2243, 9594), (3198, 6729), (4486, 4797)]