21551133835

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{20201}}^1$

素因数の和:20404

約数の個数: 64

約数和(自身を含む): 34350511104

約数和(自身を除く): 12799377269

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 163, 187, 385, 595, 815, 935, 1141, 1309, 1793, 2771, 5705, 6545, 8965, 12551, 13855, 19397, 20201, 30481, 62755, 96985, 101005, 141407, 152405, 213367, 222211, 343417, 707035, 1066835, 1111055, 1555477, 1717085, 2403919, 3292763, 3777587, 7777385, 12019595, 16463815, 18887935, 23049341, 26443109, 36220393, 55976971, 115246705, 132215545, 181101965, 253542751, 279884855, 391838797, 615746681, 1267713755, 1959193985, 3078733405, 4310226767, 21551133835]

約数ペア:

[(1, 21551133835), (5, 4310226767), (7, 3078733405), (11, 1959193985), (17, 1267713755), (35, 615746681), (55, 391838797), (77, 279884855), (85, 253542751), (119, 181101965), (163, 132215545), (187, 115246705), (385, 55976971), (595, 36220393), (815, 26443109), (935, 23049341), (1141, 18887935), (1309, 16463815), (1793, 12019595), (2771, 7777385), (5705, 3777587), (6545, 3292763), (8965, 2403919), (12551, 1717085), (13855, 1555477), (19397, 1111055), (20201, 1066835), (30481, 707035), (62755, 343417), (96985, 222211), (101005, 213367), (141407, 152405)]