21257306286

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{409}}^1\times {\mathrm{2797}}^1$

素因数の和:3393

約数の個数: 64

約数和(自身を含む): 45153004800

約数和(自身を除く): 23895698514

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 163, 326, 409, 489, 818, 978, 1227, 2454, 2797, 3097, 5594, 6194, 7771, 8391, 9291, 15542, 16782, 18582, 23313, 46626, 53143, 66667, 106286, 133334, 159429, 200001, 318858, 400002, 455911, 911822, 1143973, 1266673, 1367733, 2287946, 2533346, 2735466, 3431919, 3800019, 6863838, 7600038, 8662309, 17324618, 21735487, 25986927, 43470974, 51973854, 65206461, 130412922, 186467599, 372935198, 559402797, 1118805594, 3542884381, 7085768762, 10628653143, 21257306286]

約数ペア:

[(1, 21257306286), (2, 10628653143), (3, 7085768762), (6, 3542884381), (19, 1118805594), (38, 559402797), (57, 372935198), (114, 186467599), (163, 130412922), (326, 65206461), (409, 51973854), (489, 43470974), (818, 25986927), (978, 21735487), (1227, 17324618), (2454, 8662309), (2797, 7600038), (3097, 6863838), (5594, 3800019), (6194, 3431919), (7771, 2735466), (8391, 2533346), (9291, 2287946), (15542, 1367733), (16782, 1266673), (18582, 1143973), (23313, 911822), (46626, 455911), (53143, 400002), (66667, 318858), (106286, 200001), (133334, 159429)]