21219691374

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{409}}^1\times {\mathrm{997}}^1$

素因数の和:1487

約数の個数: 144

約数和(自身を含む): 54576428400

約数和(自身を除く): 33356737026

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 59, 63, 98, 118, 126, 147, 177, 294, 354, 409, 413, 441, 531, 818, 826, 882, 997, 1062, 1227, 1239, 1994, 2454, 2478, 2863, 2891, 2991, 3681, 3717, 5726, 5782, 5982, 6979, 7362, 7434, 8589, 8673, 8973, 13958, 17178, 17346, 17946, 20041, 20937, 24131, 25767, 26019, 40082, 41874, 48262, 48853, 51534, 52038, 58823, 60123, 62811, 72393, 97706, 117646, 120246, 125622, 144786, 146559, 168917, 176469, 180369, 217179, 293118, 337834, 352938, 360738, 407773, 411761, 434358, 439677, 506751, 529407, 815546, 823522, 879354, 1013502, 1058814, 1182419, 1223319, 1235283, 1520253, 2364838, 2446638, 2470566, 2854411, 2882327, 3040506, 3547257, 3669957, 3705849, 5708822, 5764654, 7094514, 7339914, 7411698, 8563233, 8646981, 10641771, 17126466, 17293962, 19980877, 21283542, 24058607, 25689699, 25940943, 39961754, 48117214, 51379398, 51881886, 59942631, 72175821, 119885262, 144351642, 168410249, 179827893, 216527463, 336820498, 359655786, 433054926, 505230747, 1010461494, 1178871743, 1515692241, 2357743486, 3031384482, 3536615229, 7073230458, 10609845687, 21219691374]

約数ペア:

[(1, 21219691374), (2, 10609845687), (3, 7073230458), (6, 3536615229), (7, 3031384482), (9, 2357743486), (14, 1515692241), (18, 1178871743), (21, 1010461494), (42, 505230747), (49, 433054926), (59, 359655786), (63, 336820498), (98, 216527463), (118, 179827893), (126, 168410249), (147, 144351642), (177, 119885262), (294, 72175821), (354, 59942631), (409, 51881886), (413, 51379398), (441, 48117214), (531, 39961754), (818, 25940943), (826, 25689699), (882, 24058607), (997, 21283542), (1062, 19980877), (1227, 17293962), (1239, 17126466), (1994, 10641771), (2454, 8646981), (2478, 8563233), (2863, 7411698), (2891, 7339914), (2991, 7094514), (3681, 5764654), (3717, 5708822), (5726, 3705849), (5782, 3669957), (5982, 3547257), (6979, 3040506), (7362, 2882327), (7434, 2854411), (8589, 2470566), (8673, 2446638), (8973, 2364838), (13958, 1520253), (17178, 1235283), (17346, 1223319), (17946, 1182419), (20041, 1058814), (20937, 1013502), (24131, 879354), (25767, 823522), (26019, 815546), (40082, 529407), (41874, 506751), (48262, 439677), (48853, 434358), (51534, 411761), (52038, 407773), (58823, 360738), (60123, 352938), (62811, 337834), (72393, 293118), (97706, 217179), (117646, 180369), (120246, 176469), (125622, 168917), (144786, 146559)]