21495714695

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{5003}}^1$

素因数の和:5125

約数の個数: 96

約数和(自身を含む): 34501178880

約数和(自身を除く): 13005464185

約数列:

[1, 5, 7, 13, 19, 35, 49, 65, 71, 91, 95, 133, 245, 247, 355, 455, 497, 637, 665, 923, 931, 1235, 1349, 1729, 2485, 3185, 3479, 4615, 4655, 5003, 6461, 6745, 8645, 9443, 12103, 17395, 17537, 25015, 32305, 35021, 45227, 47215, 60515, 65039, 66101, 87685, 95057, 122759, 175105, 226135, 245147, 325195, 330505, 355213, 455273, 475285, 613795, 665399, 859313, 1225735, 1235741, 1776065, 2276365, 2486491, 3186911, 3326995, 4296565, 4617769, 4657793, 6178705, 6749047, 8650187, 12432455, 15934555, 17405437, 23088845, 23288965, 32324383, 33745235, 43250935, 47243329, 60551309, 87027185, 87737611, 161621915, 226270681, 236216645, 302756545, 330703303, 438688055, 614163277, 1131353405, 1653516515, 3070816385, 4299142939, 21495714695]

約数ペア:

[(1, 21495714695), (5, 4299142939), (7, 3070816385), (13, 1653516515), (19, 1131353405), (35, 614163277), (49, 438688055), (65, 330703303), (71, 302756545), (91, 236216645), (95, 226270681), (133, 161621915), (245, 87737611), (247, 87027185), (355, 60551309), (455, 47243329), (497, 43250935), (637, 33745235), (665, 32324383), (923, 23288965), (931, 23088845), (1235, 17405437), (1349, 15934555), (1729, 12432455), (2485, 8650187), (3185, 6749047), (3479, 6178705), (4615, 4657793), (4655, 4617769), (5003, 4296565), (6461, 3326995), (6745, 3186911), (8645, 2486491), (9443, 2276365), (12103, 1776065), (17395, 1235741), (17537, 1225735), (25015, 859313), (32305, 665399), (35021, 613795), (45227, 475285), (47215, 455273), (60515, 355213), (65039, 330505), (66101, 325195), (87685, 245147), (95057, 226135), (122759, 175105)]