21491340230

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{773}}^1$

素因数の和:966

約数の個数: 128

約数和(自身を含む): 43253844480

約数和(自身を除く): 21762504250

約数列:

[1, 2, 5, 10, 19, 38, 41, 43, 82, 83, 86, 95, 166, 190, 205, 215, 410, 415, 430, 773, 779, 817, 830, 1546, 1558, 1577, 1634, 1763, 3154, 3403, 3526, 3569, 3865, 3895, 4085, 6806, 7138, 7730, 7790, 7885, 8170, 8815, 14687, 15770, 17015, 17630, 17845, 29374, 31693, 33239, 33497, 34030, 35690, 63386, 64159, 64657, 66478, 66994, 67811, 73435, 128318, 129314, 135622, 146329, 146870, 158465, 166195, 167485, 292658, 316930, 320795, 323285, 332390, 334970, 339055, 602167, 631541, 641590, 646570, 678110, 731645, 1204334, 1219021, 1263082, 1362799, 1463290, 2438042, 2630519, 2725598, 2758837, 2780251, 3010835, 3157705, 5261038, 5517674, 5560502, 6021670, 6095105, 6315410, 6813995, 12190210, 13152595, 13627990, 13794185, 13901255, 25893181, 26305190, 27588370, 27802510, 49979861, 51786362, 52417903, 99959722, 104835806, 113112317, 129465905, 226224634, 249899305, 258931810, 262089515, 499798610, 524179030, 565561585, 1131123170, 2149134023, 4298268046, 10745670115, 21491340230]

約数ペア:

[(1, 21491340230), (2, 10745670115), (5, 4298268046), (10, 2149134023), (19, 1131123170), (38, 565561585), (41, 524179030), (43, 499798610), (82, 262089515), (83, 258931810), (86, 249899305), (95, 226224634), (166, 129465905), (190, 113112317), (205, 104835806), (215, 99959722), (410, 52417903), (415, 51786362), (430, 49979861), (773, 27802510), (779, 27588370), (817, 26305190), (830, 25893181), (1546, 13901255), (1558, 13794185), (1577, 13627990), (1634, 13152595), (1763, 12190210), (3154, 6813995), (3403, 6315410), (3526, 6095105), (3569, 6021670), (3865, 5560502), (3895, 5517674), (4085, 5261038), (6806, 3157705), (7138, 3010835), (7730, 2780251), (7790, 2758837), (7885, 2725598), (8170, 2630519), (8815, 2438042), (14687, 1463290), (15770, 1362799), (17015, 1263082), (17630, 1219021), (17845, 1204334), (29374, 731645), (31693, 678110), (33239, 646570), (33497, 641590), (34030, 631541), (35690, 602167), (63386, 339055), (64159, 334970), (64657, 332390), (66478, 323285), (66994, 320795), (67811, 316930), (73435, 292658), (128318, 167485), (129314, 166195), (135622, 158465), (146329, 146870)]