21335026412

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{277}}^1\times {\mathrm{601}}^1$

素因数の和:1111

約数の個数: 96

約数和(自身を含む): 44985292800

約数和(自身を除く): 23650266388

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 199, 277, 322, 398, 554, 601, 644, 796, 1108, 1202, 1393, 1939, 2404, 2786, 3878, 4207, 4577, 5572, 6371, 7756, 8414, 9154, 12742, 13823, 16828, 18308, 25484, 27646, 32039, 44597, 55123, 55292, 64078, 89194, 96761, 110246, 119599, 128156, 166477, 178388, 193522, 220492, 239198, 332954, 385861, 387044, 478396, 665908, 771722, 837193, 1165339, 1267829, 1543444, 1674386, 2330678, 2535658, 2750777, 3348772, 3828971, 4661356, 5071316, 5501554, 7657942, 8874803, 11003108, 15315884, 17749606, 19255439, 26802797, 33128923, 35499212, 38510878, 53605594, 66257846, 77021756, 107211188, 132515692, 231902461, 463804922, 761965229, 927609844, 1523930458, 3047860916, 5333756603, 10667513206, 21335026412]

約数ペア:

[(1, 21335026412), (2, 10667513206), (4, 5333756603), (7, 3047860916), (14, 1523930458), (23, 927609844), (28, 761965229), (46, 463804922), (92, 231902461), (161, 132515692), (199, 107211188), (277, 77021756), (322, 66257846), (398, 53605594), (554, 38510878), (601, 35499212), (644, 33128923), (796, 26802797), (1108, 19255439), (1202, 17749606), (1393, 15315884), (1939, 11003108), (2404, 8874803), (2786, 7657942), (3878, 5501554), (4207, 5071316), (4577, 4661356), (5572, 3828971), (6371, 3348772), (7756, 2750777), (8414, 2535658), (9154, 2330678), (12742, 1674386), (13823, 1543444), (16828, 1267829), (18308, 1165339), (25484, 837193), (27646, 771722), (32039, 665908), (44597, 478396), (55123, 387044), (55292, 385861), (64078, 332954), (89194, 239198), (96761, 220492), (110246, 193522), (119599, 178388), (128156, 166477)]