21467029480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{12203}}^1$

素因数の和:12443

約数の個数: 128

約数和(自身を含む): 55357344000

約数和(自身を除く): 33890314520

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 199, 221, 260, 340, 398, 442, 520, 680, 796, 884, 995, 1105, 1592, 1768, 1990, 2210, 2587, 3383, 3980, 4420, 5174, 6766, 7960, 8840, 10348, 12203, 12935, 13532, 16915, 20696, 24406, 25870, 27064, 33830, 43979, 48812, 51740, 61015, 67660, 87958, 97624, 103480, 122030, 135320, 158639, 175916, 207451, 219895, 244060, 317278, 351832, 414902, 439790, 488120, 634556, 793195, 829804, 879580, 1037255, 1269112, 1586390, 1659608, 1759160, 2074510, 2428397, 2696863, 3172780, 4149020, 4856794, 5393726, 6345560, 8298040, 9713588, 10787452, 12141985, 13484315, 19427176, 21574904, 24283970, 26968630, 31569161, 41282749, 48567940, 53937260, 63138322, 82565498, 97135880, 107874520, 126276644, 157845805, 165130996, 206413745, 252553288, 315691610, 330261992, 412827490, 536675737, 631383220, 825654980, 1073351474, 1262766440, 1651309960, 2146702948, 2683378685, 4293405896, 5366757370, 10733514740, 21467029480]

約数ペア:

[(1, 21467029480), (2, 10733514740), (4, 5366757370), (5, 4293405896), (8, 2683378685), (10, 2146702948), (13, 1651309960), (17, 1262766440), (20, 1073351474), (26, 825654980), (34, 631383220), (40, 536675737), (52, 412827490), (65, 330261992), (68, 315691610), (85, 252553288), (104, 206413745), (130, 165130996), (136, 157845805), (170, 126276644), (199, 107874520), (221, 97135880), (260, 82565498), (340, 63138322), (398, 53937260), (442, 48567940), (520, 41282749), (680, 31569161), (796, 26968630), (884, 24283970), (995, 21574904), (1105, 19427176), (1592, 13484315), (1768, 12141985), (1990, 10787452), (2210, 9713588), (2587, 8298040), (3383, 6345560), (3980, 5393726), (4420, 4856794), (5174, 4149020), (6766, 3172780), (7960, 2696863), (8840, 2428397), (10348, 2074510), (12203, 1759160), (12935, 1659608), (13532, 1586390), (16915, 1269112), (20696, 1037255), (24406, 879580), (25870, 829804), (27064, 793195), (33830, 634556), (43979, 488120), (48812, 439790), (51740, 414902), (61015, 351832), (67660, 317278), (87958, 244060), (97624, 219895), (103480, 207451), (122030, 175916), (135320, 158639)]