21519180228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{155167}}^1$

素因数の和:155321

約数の個数: 96

約数和(自身を含む): 62285676544

約数和(自身を除く): 40766496316

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 127, 156, 182, 254, 273, 364, 381, 508, 546, 762, 889, 1092, 1524, 1651, 1778, 2667, 3302, 3556, 4953, 5334, 6604, 9906, 10668, 11557, 19812, 23114, 34671, 46228, 69342, 138684, 155167, 310334, 465501, 620668, 931002, 1086169, 1862004, 2017171, 2172338, 3258507, 4034342, 4344676, 6051513, 6517014, 8068684, 12103026, 13034028, 14120197, 19706209, 24206052, 28240394, 39412418, 42360591, 56480788, 59118627, 78824836, 84721182, 118237254, 137943463, 169442364, 236474508, 256180717, 275886926, 413830389, 512361434, 551773852, 768542151, 827660778, 1024722868, 1537084302, 1655321556, 1793265019, 3074168604, 3586530038, 5379795057, 7173060076, 10759590114, 21519180228]

約数ペア:

[(1, 21519180228), (2, 10759590114), (3, 7173060076), (4, 5379795057), (6, 3586530038), (7, 3074168604), (12, 1793265019), (13, 1655321556), (14, 1537084302), (21, 1024722868), (26, 827660778), (28, 768542151), (39, 551773852), (42, 512361434), (52, 413830389), (78, 275886926), (84, 256180717), (91, 236474508), (127, 169442364), (156, 137943463), (182, 118237254), (254, 84721182), (273, 78824836), (364, 59118627), (381, 56480788), (508, 42360591), (546, 39412418), (762, 28240394), (889, 24206052), (1092, 19706209), (1524, 14120197), (1651, 13034028), (1778, 12103026), (2667, 8068684), (3302, 6517014), (3556, 6051513), (4953, 4344676), (5334, 4034342), (6604, 3258507), (9906, 2172338), (10668, 2017171), (11557, 1862004), (19812, 1086169), (23114, 931002), (34671, 620668), (46228, 465501), (69342, 310334), (138684, 155167)]